M16C/Tiny

MPU & MCU

M16C Family (R32C/M32C/M16C)

Technical Update

DOCUMENT TYPE:

ALL (48)
Device (40)
Others (8)

Device(40)

Document Title	Doc Number (Previous Number)	Issue Date Revision	Classification of Information	Size(KB)	Product Name	Remarks
M16C/62P Group, M16C/6K Group, M16C/6N Group, M16C/30P Group, M16C/29 Group, M16C/28 Group, M16C/26A Group, M16C/64 Group Note on Supply Voltage Fluctuation A general note pertaining to supply voltage variations due to events like power supply noise.	TN-16C-A187A/E	Jun.21.10 Rev.1.00	Technical Notification	28	List	-
M16C/29 Group (Flash Memory Version): Precautional note for CAN I/O mode service termination in boot mode CAN I/O mode service termination in boot mode	TN-16C-A160B/E	Oct.27.06 Rev.2.00	Technical Notification	65	List	-
Usage Precaution for Timer S - IC/OC Base Timer Interrupt When the base timer is reset, an IC/OC base timer interrupt request may be generated twice.	TN-16C-A159A/E	Sep.06.06 Rev.1.00	Technical Notification	25	List	-
M16C/28 Group M16C/29 Group Precautions on Writing to I2C0 Data Shift Register (S00) of Multi-Master I2C bus Interface Precautions for writing to the S00 register when the arbitration lost detection flag is set to 1.	TN-16C-A149A/E	Dec.08.05 Rev.1.00	Technical Notification	28	List	-
M16C/Tiny Series Document Revision for CRC Snoop Function in the CRC Calculation Circuit The description of CRCSAR register (CRC snoop address register) has been revised as follows.When using the subject documents, please pay attention to the changes.	TN-16C-A143A/E	Jul.05.05 Rev.1.00	Technical Notification	67	List	-
M16C/Tiny Series Precautions When Main Clock Pins (XIN pin and XOUT pin) Are Not Connected To An Oscillator When using any of the above mentioned microcomputers, if the main clock pins (XIN pin and XOUT pin) are not connected to an oscillator, the internal system clock may not operate after power is on and therefore the microcomputer will not be activated.	TN-16C-A140A/E	Apr.11.05 Rev.1.00	Technical Notification	15	List	-
M16C/28 Group Precautions on Delayed Trigger Mode 0 of A/D Converter The timing when A/D conversion may not start properly in A/D converter delayed trigger mode 0.	TN-16C-A137A/E	Jan.31.05 Rev.1.00	Technical Notification	22	List	-
M16C Family Precautions Concerning External Trigger Input in One-Shot Timer Mode of Timer A When an external trigger input is used to start counting in one-shot timer mode of the timer A, another external trigger input during counting reloads a counter value and the timer continues counting. However, if another external trigger input is provided immediately before the counter reaches 0000h, the timer may stop counting.	TN-16C-125A/EA	Sep.16.04 Rev.1.00	Technical Notification	144	List	-
M16C/Tiny Series, Flash Memory Version, Precautions of Standard Serial I/O Mode Entry Pin An indeterminate value may be output from the I/O port while an L signal is applied to the RESET pin when entering standard serial I/O mode.	TN-16C-133A/EA	Sep.01.04 Rev.1.00	Technical Notification	24	List	-
M16C Family Precautions when Using Single-Sweep Mode of the A/D Converter When setting the ADST bit to 0 in single-sweep mode of A/D converter during A/D conversion and aborting A/D conversion, an A/D conversion interrupt may be generated.	TN-16C-132A/EA	Sep.01.04 Rev.1.00	Technical Notification	98	List	-
M16C Family Precautions when Using Serial Interface Special Mode 1 (I2C mode) When setting each condition generate bit (STAREQ, RSTAREQ and STPREQ) from 0 to 1 within half cycle of the transfer clock after setting the STSPSEL bit to 0, each condition may not be generated accurately.	TN-16C-130A/EA	Sep.01.04 Rev.1.00	Technical Notification	94	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	-
M16C/60 Series Precautions for changing SI/O3,4 SI/O port select bit Under the following conditions, the SOUTi (i=3,4) may be driven for about 10ns before going into a high-impedance state.a. when the SMi2 bit in the SiC(i=3,4) register = 0 (SOUTi output),b. SMi6 bit = 1 (internal clock),c. SMi3 bit is changed from 0 (I/O port) to 1 (SOUTi output, CLK function).	TN-16C-121A/EA	Aug.01.04 Rev.1.00	Technical Notification	35	List	-
M16C Family Precautions When Using Sub Clock When using the sub clock (XCIN-XCOUT) as the CPU clock (BCLK) or as the timer count source, DO NOT leave the CM03 bit set to 1 (XCIN-XCOUT drive capacity HIGH ).	TN-16C-119A/EA	Jan.05.04 Rev.1.00	Technical Notification	63	List	-
M16C/26 Precaution in Boot mode I/O Ports may be indeterminate in the boot mode.	TN-M16C-110-0310	Oct.01.03 Rev.1.00	Technical Notification	84	List	-
M16C/62P, M16C/26 and M16C/6K9 Precautions when using an External Clock as the Main Clock Program may not operate correctly if an external clock, connected to the XIN pin while the main clock is selected as the CPU clock, is turned off temporarily and then restarted.	TN-M16C-109-0309	Sep.16.03 Rev.1.00	Technical Notification	73	List	-
M16C/62P, M16C/26 and M16C/6K9 Precautions when Using Wait Mode If the microcomputer exits wait mode, the program may not operate correctly.	TN-M16C-108-0309	Sep.16.03 Rev.1.00	Technical Notification	391	List	-
M16C/62P, M16C/26 and M16C/6K9 Precautions when Using Stop Mode If the microcomputer exits stop mode?? the program may not operate correctly.	TN-M16C-107-0309	Sep.16.03 Rev.1.00	Technical Notification	92	List	-
M16C/62P Group and M16C/26 Group Precautions when using Programmable I/O Ports The input threshold differs for each input pin that shares inputs with other peripherals.	TN-M16C-102-0309	Sep.16.03 Rev.1.00	Technical Notification	117	List	-
M16C/62P Group and M16C/26 Group Precautions when using Special Mode 4 (SIM mode) of UART2 A transmit interrupt request is generated when transmit data is written to the U2TB register while in special mode 4 (SIM mode) after reset.	TN-M16C-101-0309	Sep.16.03 Rev.1.00	Technical Notification	124	List	-
M16C/62P Group Revision in Electrical Characteristics Section of the Preliminary Data Sheet Rev 1.0 The standard value of Pull-up resistor when applied 3V of power has been revised. These revisions have been made in the Hardware Manual Rev.1.10 and Data Sheet Rev.1.10	TN-M16C-99-0309	Sep.01.03 Rev.1.00	Technical Notification	82	List	-
M16C/60 Series, M16C/30 Series, M16C/20 Series Cautions for Writing to DMA Enable Bit in DMAi Control Register While the DMAE bit in the DMiCON register is a 1 (the DMAi is in an active state), if you set the DMAE bit to a 1 and a DMA request occurs while your changing the bit, the DMAi will continue operating instead of returning to the initial state.	TN-M16C-92-0306	Jun.16.03 Rev.1.00	Technical Notification	70	List	-
Precaution for the Use of the Three-Phase Motor Control Timer Functions Set the Value in the TAi-1 register, then rewrite the same value in the TAi-1 register after one cycle of the timer Ai count source has elapsed.	TN-M16C-95-0304	Apr.01.03 Rev.1.00	Technical Notification	20	List	-
M16C/80, M32C/82 and M32C/83 Groups Usage Precaution on Three-phase Motor Control Timer's Function While using the timers in Three-Phase Mode 1 and near Timer B2's overflow, if a count value is written to Timer Ai-1 register, a different count value may be written to Timer Ai instead of the value you want to set it to.	TN-M16C-86-0205	May.16.02 Rev.1.00	Technical Notification	14	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	-
M16C/62N Flash Memory Versions and M3062GF8NFP/GP Usage Precaution on Stop Mode An undefined operation can occur after returning to normal operation mode from a stop mode because an undefined interrupt is generated or, a BRK instruction occurred, etc.	TN-M16C-84-0204	Apr.01.02 Rev.1.00	Technical Notification	393	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	-
Corrections and Supplementary Explanation for M16C/20 Series, M16C/60 Series, M16C/80 Series Data Sheet and User's Manual A few corrections and supplementary explanation for the M16C/20 series, M16C/60 series, M16C/80 series User's Manual.	TN-M16C-75-0110	Oct.16.01 Rev.1.00	Technical Notification	17	List	-
Supplemental Description for WAIT Peripheral Function Clock Stop Bit When the MCU running in low-speed or low power dissipation mode, do not enter WAIT peripheral function clock stop bit set to 1.	TN-M16C-69-0104	Apr.16.01 Rev.1.00	Technical Notification	47	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	-
M16C/62 Group Flash Memory Versions Precautions for Standard Serial I/O mode Apply a pull up resistor to NMI pin and disable interrupts when writing to M16C/62 Flash Memory Versions with Standard Serial I/O mode.	TN-M16C-21-9904	Apr.01.99 Rev.1.00	Technical Notification	12	List	-
M16C/60 Group, M16C/61 Group, M16C/62 Group Precautions For Power Control State Transitions Wait to change modes until after oscillation has stabilized.	TN-M16C-17-9902	Feb.16.99 Rev.1.00	Technical Notification	21	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	-
Supplemental Description of DMAC for the M16C/60, M16C/61 and M16C/62 Group MCUs (1) In DMA active condition? if the DMA enable bit is set to 1, the DMAC will start to operate again from the initial conditions.(2) After the DMA request cause select bit has been modified, always clear the DMA request bit to 0.	TN-M16C-13-9802	Feb.01.98 Rev.1.00	Technical Notification	15	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	-

Others(8)

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	-
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	-