R8C Family

MPU & MCU

Technical Update

DOCUMENT TYPE:

ALL (60)
Device (50)
Emulator (1)
Others (9)

Device(50)

Document Title	Doc Number (Previous Number)	Issue Date Revision	Classification of Information	Size(KB)	Product Name	Remarks
Note on the R8C/Mx Series Note on the R8C/Mx Series	TN-R8C-A020A/E	Nov.28.11 Rev.1.00	Technical Notification	120	List	-
Revisions for Input Threshold Control Register 0 (VLT0) Specifications Revisions for Input Threshold Control Register 0 (VLT0) Specifications	TN-R8C-A019A/E	Aug.05.11 Rev.1.00	Technical Notification	64	List	-
Notes on R8C Family (3) Notes on R8C Family	TN-R8C-A018A/E	Jun.28.11 Rev.1.00	Technical Notification	21	List	-
R8C/M11A, R8C/M12A Group Notes on Timer RJ2 Note when writing 0 to the TEDGF bit in the TRJCR register in pulse width measurement mode or pulse period measurement mode.	TN-R8C-A017A/E	Mar.03.11 Rev.1.00	Technical Notification	20	List	-
Notes on R8C Family (2) Notes on R8C Family	TN-R8C-A016A/E	Dec.07.10 Rev.1.00	Technical Notification	25	List	-
Corrections for A/D Conversion Time Corrections for A/D Conversion Time	TN-R8C-A015A/E	Jun.21.10 Rev.1.00	Technical Notification	90	List	-
R8C/1x Series, R8C/2x Series, R8C/3x Series, R8C/Lx Series Note on Supply Voltage Fluctuation A general note pertaining to supply voltage variations.	TN-R8C-A014A/E	Jun.21.10 Rev.1.00	Technical Notification	27	List	-
Notes on Complementary PWM Mode and Reset Synchronous PWM Mode of Timer RD Regarding output level when the timer count stops during operation	TN-R8C-A012A/E	Mar.25.10 Rev.1.00	Technical Notification	34	List	-
R8C Family Notes on I2C-bus Interface Notes on I2C-bus Interface	TN-R8C-A011A/E	Mar.25.10 Rev.1.00	Technical Notification	35	List	-
Notes on Low-Consumption-Current Read Mode Please note descriptions when using low-consumption-current read mode by the FMR27 bit in the FMR register(low-consumption-current read mode enable bit).	TN-R8C-A004B/E	Dec.08.09 Rev.2.00	Technical Notification	32	List	-
Correction to the R8C/3JA Group Package Correction to the R8C/3JA Group package code and dimension	TN-R8C-A009A/E	Oct.07.09 Rev.1.00	Technical Notification	133	List	-
Correction of Notes on Power-on Reset Circuit Characteristics Correction of Notes on Power-on Reset Circuit Characteristics	TN-R8C-A008A/E	Oct.02.09 Rev.1.00	Technical Notification	103	List	-
Notes on R8C Family Notes on R8C Family	TN-R8C-A007A/E	Sep.25.09 Rev.1.00	Technical Notification	33	List	-
Notes on Timer RG Notes on Timer RG	TN-R8C-A006A/E	Sep.25.09 Rev.1.00	Technical Notification	85	List	-
Notes on Option Function Select Area (OFS and OFS2) Notes on Option Function Select Area (OFS register, OFS2 register)	TN-R8C-A005A/E	Sep.25.09 Rev.1.00	Technical Notification	26	List	-
R8C/32A Group R8C/33A Group R8C/35A Group R8C/36A Group R8C/38A Group R8C/3GA Group R8C/3JA Group Specification Change R8C/32A Group, R8C/33A Group, R8C/35AGroup, R8C/36A Group, R8C/38A Group,R8C/3GA Group, R8C/3JA GroupSpecification Change	TN-R8C-A001B/E	Sep.24.09 Rev.2.00	Technical Notification	91	List	-
Notes on Low-Consumption-Current Read Mode Please note descriptions when using low-consumption-current read mode by the FMR27 bit in the FMR register(low-consumption-current read mode enable bit).	TN-R8C-A004A/E	Jul.28.09 Rev.1.00	Technical Notification	30	List	-
Specification Changes in the R8C/L35A Group R8C/L35B Group R8C/L36A Group R8C/L36B Group R8C/L38A Group R8C/L38B Group R8C/L3AA Group R8C/L3AB Group Hardware Manual The below changes have been made to the specifications described in the datasheet and hardware manual of the R8C/L3AA Group, R8C/L3AB Group, R8C/L38A Group, R8C/L38B Group, R8C/L36A Group, R8C/L36B Group, R8C/L35A Group and R8C/L35B Group.	TN-R8C-A002B/E	Jul.08.09 Rev.2.00	Technical Notification	367	List	-
R8C/3x Series R8C/Lx Series Notes on the A/D Converter Notes on the A/D Converter	TN-R8C-A003A/E	Jun.05.09 Rev.1.00	Technical Notification	17	List	-
R8C/20-23 Groups (J K versions) R8C/26-29 Groups (J K versions) Notes on Power-on Reset Circuit and Voltage Dtection Circuit Notes on Power-on Reset Circuit and Voltage Dtection Circuit	TN-16C-A172A/E	Aug.07.08 Rev.1.00	Technical Notification	47	List	-
R8C/2A Group R8C/2B Group R8C/2C Group and R8C/2D Group Notes on Erase-Suspend Notes on Erase-Suspend	TN-16C-A171A/E	May.21.08 Rev.1.00	Technical Notification	27	List	-
R8C/Tiny Series Added Function (36.864 MHz Data for Frequency Adjustment) for High-speed On-chip Oscillator Control Register 7 (FRA7) 36.864 MHz for the UART mode count source has been added for frequency adjustment data of the high-speed on-chip oscillator.	TN-16C-A170A/E	May.21.08 Rev.1.00	Technical Notification	28	List	-
R8C/Tiny Series Notes on Timer RB Notes on Timer RB	TN-16C-A167A/E	Mar.30.07 Rev.1.00	Technical Notification	224	List	-
R8C/Tiny Series Notes on Writing to Timer RA Register Notes on Writing to Timer RA Register	TN-16C-A164A/E	Mar.30.07 Rev.1.00	Technical Notification	67	List	-
R8C/Tiny Series Notes on I2C bus Interface in Master Receive Mode When using the I2C bus interface in master receive mode, SCL may not be fixed “L“ and the next receive data may be overwritten depending on the timing when the ICDRR register is read while the RDRF bit is set to 1.	TN-16C-A166A/E	Feb.08.07 Rev.1.00	Technical Notification	41	List	-
R8C/Tiny Series Notes on I2C bus Interface in Multimaster Operation When using the I2C bus interface in multimaster operation, the following two points should be noted: transfer rate, and bits MST and TRS setting.	TN-16C-A165A/E	Feb.08.07 Rev.1.00	Technical Notification	43	List	-
R8C/20-29 Group Notes regarding Error Flags in Serial Interface When the clock synchronous serial I/O mode or clock asynchronous serial I/O (UART) mode is used, the error flags are not held.	TN-16C-A161A/E	Nov.28.06 Rev.1.00	Technical Notification	100	List	-
R8C/18 Group R8C/19 Group R8C/1A Group R8C/1B Group R8C/24 Group R8C/25 Group Precautions on Flash Memory Suspend Function Precautions for Flash Memory Suspend Function	TN-16C-A154A/E	Apr.20.06 Rev.1.00	Technical Notification	31	List	-
R8C/18 Group R8C/19 Group R8C/1A Group R8C/1B Group R8C/24 Group R8C/25 Group Precautions on Flash Memory Erase Function Precautions for Flash Memory Erase Function	TN-16C-A153A/E	Apr.20.06 Rev.1.00	Technical Notification	18	List	-
R8C/14 15 16 17 18 19 1A 1B Groups Precautions on Prescaler Register Timer Register Reloads during Counting Timer X Timer Z Precautions for Prescaler Register, Timer Register Reloads while Counting Timer X, Timer Z	TN-16C-A147A/E	Oct.24.05 Rev.1.00	Technical Notification	28	List	-
R8C/16 17 Groups Precautions on Using I2C bus Interface Precautions for using I2C bus Interface	TN-16C-A146A/E	Oct.24.05 Rev.1.00	Technical Notification	25	List	-
R8C/1A 1B Groups Precautions on SSI Signal Pin Select Function of Clock Synchronous Serial I/O with Chip Select Precautions for SSI Signal Pin Select Function of Clock Synchronous Serial I/O with Chip Select	TN-16C-A145A/E	Oct.24.05 Rev.1.00	Technical Notification	25	List	-
R8C/18 19 1A 1B Groups Precautions on High-Speed On-Chip Oscillator Accuracy during Auto-Program Operation and Auto-Erase Operation Precautions for High-Speed On-Chip Oscillator Accuracy during Auto-Program Operation and Auto-Erase Operation.	TN-16C-A144A/E	Oct.24.05 Rev.1.00	Technical Notification	26	List	-
R8C/16, 17 Groups Error Correction of I2C bus Interface STOP Bit Set Condition Error Correction of I2C bus Interface STOP Bit Set Condition	TN-16C-A142A/E	Aug.12.05 Rev.1.00	Technical Notification	26	List	-
R8C/14,15,16,17 Groups Precautions on EW1 Mode of CPU Rewrite Mode Precautions for EW1 Mode of CPU Rewrite Mode	TN-16C-A141A/E	Jun.22.05 Rev.1.00	Technical Notification	20	List	-
R8C/14, 15, 16, 17 Groups Precautions on SFR Access Related to Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset Precautions on SFR Access Related to Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset	TN-16C-A139A/E	Mar.18.05 Rev.1.00	Technical Notification	22	List	-
R8C/14, 15, 16, 17 Groups Precautions on SFR Access Related to Clock Synchronous Serial I/O with Chip Select and I2C bus Interface Precautions for SFR Access Related to Clock Synchronous Serial I/O with Chip Select and I2C bus Interface	TN-16C-A138A/E	Mar.18.05 Rev.1.00	Technical Notification	29	List	-
R8C/14,15 Group Clock Synchronous Serial I/O with Chip Select Precautions when transmit is performed as slave device Precautions when transmit is performed as slave device	TN-16C-134A/EA	Sep.16.04 Rev.1.00	Technical Notification	92	List	-
M16C Family Precaution Concerning Exiting from Stop Mode SCLL sync output enable is available in I2C bus interface mode only.	TN-16C-124A/EA	Sep.01.04 Rev.1.00	Technical Notification	162	List	-
M16C/6N, M16C/1N, M16C/29 Group Precautions When Performing CAN Configuration a.when the SMi2 bit in the SiC(i=3,4) register = 0(SOUTi output),	TN-16C-122A/EA	Sep.01.04 Rev.1.00	Technical Notification	81	List	-
M16C Family Precaution on entering wait mode The value in the internal RAM area may be rewritten when exiting wait mode if writing to the internal RAM area before entering wait mode.	TN-16C-128A/EA	Aug.01.04 Rev.1.00	Technical Notification	49	List	-
R8C/10, R8C/11, R8C/12, R8C/13 Precautions regarding an exit from stop mode by the INT3 interrupt Precautions regarding an exit from stop mode	TN-16C-118A/EA	Dec.16.03 Rev.1.00	Technical Notification	31	List	-
M16C Family Usage Precautions when Clearing Interrupt Request Bit When clearing an interrupt request bit of the interrupt control register, depending on the instruction used, an interrupt request bit may not get cleared.	TN-M16C-85-0204	Apr.01.02 Rev.1.00	Technical Notification	24	List	-
CAN transceiver control method with boot mode When writing in the internal flash memory via CAN in boot mode, set the mode of CAN transceiver as high-speed mode or normal operation mode.	TN-M16C-82-0201	Jan.16.02 Rev.1.00	Technical Notification	40	List	-
Points to care about when using M16C/6N0, M16C/6N1 and M16C/6N3 groups Status read of the CAN module If CPU and CAN module attempt to access the SFR at the same time, please note that CPU access to SFR will not synchronize with the CAN module rewrite period.	TN-M16C-63-0011	Nov.16.00 Rev.1.00	Technical Notification	24	List	-
M16C Family Cautions Using Data Registers that Include Write Only Bits If performing a read-modify-write sequence of instructions to a register with write only bits, please reset the write only bits to their previous values before writing back to the register.	TN-M16C-55-0006	Jun.01.00 Rev.1.00	Technical Notification	46	List	-
M16C/60, M16C/20 Series Precautions for Wait and Stop modes The interrupts for canceling the WAIT and STOP modes must be enabled before entering either mode. The priority level of the interrupts not used for these modes should be set to 0 before switching into the WAIT or STOP modes.	TN-M16C-25-9905	May.16.99 Rev.1.00	Technical Notification	15	List	-
Precautions Regarding Writing to M16C/60, M16C/61, M16C/62 and M16C/63 Group MCUs Interrupt Control Registers An incorrect interrupt may occur when the request bit of the interrupts is cleared or the interrupt priority level is changed in interrupt enable condition.	TN-M16C-14-9805	May.22.98 Rev.1.00	Technical Notification	19	List	-
Note on dedicated input pin of the M16C/60 series MCU When two or more different power sources are supplied to the system, if the input voltage of the unused dedicated input pin is higher than a voltage of Vcc pin, do not connect the dedicated input pin directly to the power source. This will cau	TN-M16C-11-9710	Oct.01.97 Rev.1.00	Technical Notification	11	List	-
Note on using the A-D converter of the M16C/60 series MCU When the A-D register is read at the same time the A-D conversion results are being saved, a false value will be saved to the A-D register. This occurs when the divided main clock or sub-clock is used as the CPU internal clock.	TN-M16C-09-9705	May.16.97 Rev.1.00	Technical Notification	14	List	-

Emulator(1)

	Document Title	Doc Number (Previous Number)	Issue Date Revision	Classification of Information	Size(KB)	Product Name	Remarks
	Problems with E7 Emulator Please note that firmware V1.0.01 attached to the E7 emulator's system software ver.2.0.01 to 2.3.01 has the following problems.	TN-EML-119A/EA	Aug.26.04 Rev.1.0	Technical Notification	13	List	-

Others(9)

Document Title	Doc Number (Previous Number)	Issue Date Revision	Classification of Information	Size(KB)	Product Name	Remarks
Change of inner packing label Change of inner packing label	TN-WRP-A014A/E	Jul.13.11 Rev.1.00	Packing Change	344	List	-
Shape change of 52 pin LQFP(PLQP0052JA-A) support lead We change support lead shape of 52 pins LQFP(PLQP0052JA-A) for the productivity improvement and the quality stabilization of the assembling process of the package.	TN-PMC-A003A/E	Jan.23.09 Rev.1.00	Package Change	140	List	-
Change of the locking pin position in the magazine (P750PC) used for shipment Change of the locking pin position in the magazine (P750PC) used for shipment	TN-WRP-A013A/E	Nov.12.08 Rev.1.00	Packing Change	710	List	-
Change with the stable supply of trays Change with the stable supply of trays	TN-WRP-A012A/E	Sep.30.08 Rev.1.00	Packing Change	1129	List	-
Change of plastic reel of 330mm in diameter for embossed carrier tape (Standardization of plastic reel) Standardization of plastic reel of 330mm in diameter to that complying with the JEITA standards (so-called EIAJ reel).	TN-WRP-A010A/E	Mar.24.08 Rev.1.00	Packing Change	71	List	-
Change of content printed on the side of inner box We will unify the content printed on the inner box for IC trays for the purpose of standardizing our tray packaging specification.	TN-WRP-A009A/E	Jan.09.08 Rev.1.00	Packing Change	30	List	-
Addition of Shipping Tray Type for LQFP2020 Packages Tray forming die is added in response to the increasing production of LQFP2020 packages, and for through handling in manufacturing factories, new tray type name is adopted.	TN-WRP-A007A/E	Jun.07.07 Rev.1.00	Packing Change	136	List	-
Change of reel diameter of embossed carrier tape (330 mmf reel to 254 mmf reel) Change of reel diameter of embossed carrier tape(330 mmf reel to 254 mmf reel)	TN-WRP-A006A/E	Feb.14.07 Rev.1.00	Packing Change	309	List	-
Change of Carrier Tape Material *Change from polyvinyl chloride (PVC) to polystyrene (PS). The career tape material is changed from PVC to PS.	TN-WRP-A005A/E	Jul.05.06 Rev.1.00	Packing Change	32	List	-