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Descriptions changed in M16C/5L Group, M16C/56 Group User`s

1. Voltage detection level Vdet2_7 4 2 Oscillator 27 1 6 Oscillator Electrical Characteristics 27 4 6 Oscillator Electrical Characteristics The characteristic of the dedicated 125 kHz on chip oscillator for the watchdog timer has been added Standard Symbol Characteristic Typ Dedicated 125 kHz on chip oscillator for the watchdog timer oscillation 125 frequency fwDT RENESAS Page 4 of 6 RENESAS TECHNICAL UPDATE TN 16C A205A E Date Oct 14 2011 4 3 Hysteresis V_ V for TAOIN and others 27 2 1 Electrical Characteristics 27 5 1 Electrical Characteristics VCC 5 V The maximum value of the following V7 V7 hysteresis has been changed Standard Parameter Measuring Condition Typ ye Before TAOIN to TA4IN TBOIN to TB2IN INTO to INT5 NMI ADTRG CTSO to CTS3 SCL2 SDA2 Hysteresis CLKO to CLK4 TAOOUT to TA4OUT KIO to KI3 RXDO to RXD4 ZP IDU IDW IDV SD INPC1_0 to INPC1_7 CRXO 27 3 1 Electrical Characteristics 27 6 1 Electrical Characteristics VCC 3 V The maximum value of the following V7 V7 hysteresis has been changed Standard Parameter Measuring Condition Max Typ Before TAOIN to TA4IN TBOIN to TB2IN INTO to INT5 NMI ADTRG CTSO to CTS3 SCL2 SDA2 CLKO to CLK4 TAOOUT to TA4OUT KIO to KI3 RXDO to RXD4 ZP IDU IDW IDV SD INPC1_0 to INPC1_7 CRX0 Hysteresis
2. 4 4 Py in Absolute Maximum Rating 27 4 1 Absolute Maximum Rating The rated value of Pq for 85 C lt Top 125 C in K version has been changed sede Rated Value Unit Symbol Characteristic Condition Before After 4 5 Iec in Electrical Characteristics gt 27 6 1 Electrical Characteristics The typical values have been changed for the Icc in the 3 V K version when the following measuring conditions apply Standard Parameter Measuring Condition Typ Before After Main clock stopped 40 MHz on chip oscillator stopped 125 kHz on chip oscillator 125 kHz on chip oscillator operating mode Divide by 8 FMR22 FMR23 1 Low current consumption read mode fiecik 32 kHz On ROM FMR22 FMR23 1 Low current consumption read mode Power supply current Vcc 3 0 V to 3 6 V In single chip mode the output pins are open and other pins are Vss Low power mode RENESAS Page 5 of 6 RENESAS TECHNICAL UPDATE TN 16C A205A E Date Oct 14 2011 5 5 1 Other Two Phase Pulse in Timer S 1 5 Pin Assignments and others Two phase pulse input pins for timer S have been named Accordingly the pins are described as follows P8_0 TA4OUT U TSUDA P8_1 TA4IN U TSUDB Symbols and names in the timing requirements are described as follows No changes have been made to the standard gt 27 2 2 5 Timer S Input 27 3 2 5 Timer
3. Date Oct 14 2011 RENESAS TECHNICAL UPDATE 1753 Shimonumabe Nakahara ku Kawasaki shi Kanagawa 211 8668 Japan Renesas Electronics Corporation Product Document Category MPU amp MCU No TN 16C A205A E Rev 1 00 Descriptions changed in M16C 5L Group Information ae Title M16C 56 Group User s Manual Category Technical Nomieatian Lot No Applicable Reference Product M16C 5L and M16C 56 Groups ans Document Some specifications of the M16C 5L and M16C 56 Groups have been changed MCU usage and setting procedures have also been added or changed gt Indicates the titles in the M16C 5L Group M16C 56 Group User s Manual Hardware Rev 1 10 1 Specification Changes 1 1 G1BT Register in Timer S 18 2 5 Base Timer Register G1BT Do not write to this register The G1BT register becomes 0000h when the BTS bit in the G1BCR1 register is set to 0 base timer reset This function works same as before without any change 2 Changes on Usage Note 2 1 Interrupt Request When Selecting Time Measurement Function 18 5 6 Interrupt Request When Selecting Time Measurement Function When the FSCj bit j 0 to 7 in the G1FS register is set to 1 time measurement function selected and the IFEj bit in the G1FE register is also set to 1 the G1IRj bit in the G1IR register or the IR bit in the ICOCIIC register i 0 1 or ICOCHjIC register j 0 to 3 may become 1 interrupt requested after a m
4. S Input 27 5 2 5 Timer S Input 27 6 2 5 Timer S Input Before After tw TSH Parameter P8_0 A phase P8_1 B phase Input HIGH Pulse Width tw TSH Parameter TSUDA TSUDB input high pulse width tw TSL P8_0 A phase P8_1 B phase Input LOW Pulse Width tw TSL TSUDA TSUDB input low pulse width tsu P8_0 P8_1 P8_1 B phase Input Setup Time tu TSUDA TSUDB TSUDB input setup time tsu P8_1 P8_0 P8_0 A phase Input Setup Time tsu TSUDB TSUDA TSUDA input setup time RENESAS Page 6 of 6
5. aximum of two fBT1 cycles When using the IC OC interrupt i or IC OC channel j interrupt set bits FSCj and IFEj to 1 then perform the following 1 Wait for two or more fBT1 cycles 2 Set the IR bit in the ICOCiIC register and or ICOCHjIC register to 0 3 Wait for three or more fBT1 cycles after the time measurement function is selected Set the G1IR register to OOh after the IR bit in the ICOCIIC register is set to 0 c 2011 Renesas Electronics Corporation All rights reserved RENESAS Page 1 of 6 RENESAS TECHNICAL UPDATE TN 16C A205A E Date Oct 14 2011 3 Additions and Changes on Usage and Setting Procedures 3 1 Flash Memory 3 1 1 User Boot Mode Program 26 11 4 1 User Boot Mode Program in Notes on Flash Memory Following notes have been added to the user boot mode description When using user boot mode make sure to allocate the program to be executed to program ROM 2 e The LVDAS bit in the OFS1 address and bits WOTRCS1 and WDTRCS0O in the OFS2 address are disabled in boot mode When restarting the MCU in user boot mode after starting it in user boot mode RAM becomes undefined If addresses 13FF8h to 13FFBh are all 00h the MCU does not enter standard serial I O mode Therefore the programmer or on chip debugger cannot be connected As the reset sequence differs the time necessary for starting the program is longer than in single chip mode e Functions in user boot mode cannot be debugged by
6. lag 1 enabled FMR33 1 o Write WDO to WA address Yes Access flash memory Program suspend accepted Access flash memory Write WD1 to WA address Command restart FMR31 lt 0 FMROO 1 la Yes Full status check C Program completed D Notes 1 In EWO mode set the interrupt vector table for interrupts to be used and the interrupt routine in areas other than flash memory 2 When interrupts are not used an instruction to enable interrupts are not necessary 3 Program is not suspended until td SR SUS elapses after the FMR31 bit is set to 1 Program Flowchart in EWO Mode Suspend Function Enabled RENESAS Page arol G RENESAS TECHNICAL UPDATE TN 16C A205A E Date Oct 14 2011 4 Additions and Changes on Electrical Characteristics 4 1 Voltage Detector 2 27 1 5 Voltage Detector and Power Supply Circuit Electrical Characteristics 27 4 5 Voltage Detector and Power Supply Circuit Electrical Characteristics The characteristics of Vdet2_0 to Vdet2_3 and Vdet2_5 to Vdet2_7 for voltage detector 2 have been added Standard Min Typ Max Parameter Condition Voltage detection level Vdet2_0 Voltage detection level Vdet2_1 Voltage detection level Vdet2_2 Voltage detection level Vdet2_3 When Vcc is falling Voltage detection level Vdet2_5 Voltage detection level Vdet2_6
7. nd Function Enabled Lock Bit Program Flowchart in EW1 Mode Suspend Function Enabled Modification The timing to set the flag to 1 interrupt enabled has been changed RENESAS Page 2 of 6 RENESAS TECHNICAL UPDATE TN 16C A205A E Date Oct 14 2011 Post modification Start Maskable interrupt Interrupt Mea lt 0 disabled Write 0 and then 1 Suspend to the FMR30 bit enabled Suspend request Write command code xx41h to WA address No FMROO 1 Write WDO to WA address Access flash memory Yes Write WD1 to WA address Program suspend accepted Access flash memory Interrupt Megs enabled Command FMR31 lt 0 restart No FMROO 1 le Yes D Full status check C Program completed D Notes 1 In EWO mode set the interrupt vector table for interrupts to be used and the interrupt routine in areas other than flash memory 2 When interrupts are not used an instruction to enable interrupts is not necessary 3 Program is not suspended until td SR SUS elapses after the FMR31 bit is set to 1 Program Flowchart in EWO Mode Suspend Function Enabled Premodification Start Maskable interrupt Write 0 and then 1 Suspend to the FMR30 bit enabled FMROO 0 Write command code xx41h to WA address Suspend request Interrupt I f
8. the on chip debugging emulator or full spec emulator e While using user boot mode do not change the input level of the pin used for user boot entry However if there is a possibility that the input level may change perform the necessary processes in user boot mode then restart the MCU in single chip mode before the input level changes To use user boot mode after standard serial I O mode turn off the power when exiting standard serial I O mode and then turn on the power again cold start The MCU enters user boot mode under the right conditions 3 1 2 Procedures When Suspend Function is Enabled 26 8 1 1 Suspend Function EWO Mode 26 8 2 1 Suspend Function EW1 Mode The procedure for enabling the suspend function has been modified The modified figures and modifications are shown below Post modification and premodification examples of the program flowcharts in EWO mode are shown on the next page Modified Figures Program Flowchart in EWO Mode Suspend Function Enabled e Block Erase Flowchart in EW0O Mode Suspend Function Enabled e Lock Bit Program Flowchart in EWO Mode Suspend Function Enabled Modifications The timing to set the flag to 1 interrupt enabled has been changed e The determination flag used in maskable interrupt routine has been changed from bits FMR32 or FMR33 to the FMROO bit Modified figures e Program Flowchart in EW1 Mode Suspend Function Enabled e Block Erase Flowchart in EW1 Mode Suspe

Descriptions changed in M16C/5L Group, M16C/56 Group User`s

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