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M16C/30P Group 4. Special Function Register (SFR)

Rev.1.22 Mar 30, 2007 Page 18 of 53

REJ03B0088-0122

4. Special Function Register (SFR)

SFR(Special Function Register) is the control register of peripheral functions. Tables 4.1 to 4.5 list the SFR

information.

NOTES:

1. The blank areas are reserved and cannot be accessed by users.

2. The PM00 and PM01 bits do not change at software reset.

X : Nothing is mapped to this bit

Table 4.1 SFR Information (1)

(1)

Address Register Symbol After Reset

0000h

0001h

0002h

0003h

0004h Processor Mode Register 0

(2)

PM0

00000000b(CNVSS pin is “L”)

00000011b(CNVSS pin is “H”)

0005h Processor Mode Register 1 PM1 00XXX0X0b

0006h System Clock Control Register 0 CM0 01001000b

0007h System Clock Control Register 1 CM1 00100000b

0008h Chip Select Control Register CSR 00000001b

0009h Address Match Interrupt Enable Register AIER XXXXXX00b

000Ah Protect Register PRCR XX000000b

000Bh

000Ch

000Dh

000Eh Watchdog Timer Start Register WDTS XXh

000Fh Watchdog Timer Control Register WDC 00XXXXXXb

0010h Address Match Interrupt Register 0 RMAD0 00h

0011h 00h

0012h X0h

0013h

0014h Address Match Interrupt Register 1 RMAD1 00h

0015h 00h

0016h X0h

0017h

0018h

0019h

001Ah

001Bh

001Ch

001Dh

001Eh

001Fh

0020h DMA0 Source Pointer SAR0 XXh

0021h XXh

0022h XXh

0023h

0024h DMA0 Destination Pointer DAR0 XXh

0025h XXh

0026h XXh

0027h

0028h DMA0 Transfer Counter TCR0 XXh

0029h XXh

002Ah

002Bh

002Ch DMA0 Control Register DM0CON 00000X00b

002Dh

002Eh

002Fh

0030h DMA1 Source Pointer SAR1 XXh

0031h XXh

0032h XXh

0033h

0034h DMA1 Destination Pointer DAR1 XXh

0035h XXh

0036h XXh

0037h

0038h DMA1 Transfer Counter TCR1 XXh

0039h XXh

003Ah

003Bh

003Ch DMA1 Control Register DM1CON 00000X00b

003Dh

003Eh

003Fh

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 58 59

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