R8C/20 Group, R8C/21 Group 4. Special Function Registers (SFRs)
Rev.2.00 Aug 27, 2008 Page 20 of 458
REJ09B0250-0200
Table 4.6 SFR Information (6)
(1)
X: Undefined
NOTES:
1. The blank regions are reserved. Do not access locations in these regions.
2. The OFS register cannot be changed by a program. Use a flash programmer to write to it.
Address Register Symbol After reset
0140h Timer RD Control Register 0 TRDCR0 00h
0141h Timer RD I/O Control Register A0 TRDIORA0 10001000b
0142h Timer RD I/O Control Register C0 TRDIORC0 10001000b
0143h Timer RD Status Register 0 TRDSR0 11100000b
0144h Timer RD Interrupt Enable Register 0 TRDIER0 11100000b
0145h Timer RD PWM Mode Output Level Control Register 0 TRDPOCR0 11111000b
0146h Timer RD Counter 0 TRD0 00h
0147h 00h
0148h Timer RD General Register A0 TRDGRA0 FFh
0149h FFh
014Ah Timer RD General Register B0 TRDGRB0 FFh
014Bh FFh
014Ch Timer RD General Register C0 TRDGRC0 FFh
014Dh FFh
014Eh Timer RD General Register D0 TRDGRD0 FFh
014Fh FFh
0150h Timer RD Control Register 1 TRDCR1 00h
0151h Timer RD I/O Control Register A1 TRDIORA1 10001000b
0152h Timer RD I/O Control Register C1 TRDIORC1 10001000b
0153h Timer RD Status Register 1 TRDSR1 11000000b
0154h Timer RD Interrupt Enable Register 1 TRDIER1 11100000b
0155h Timer RD PWM Mode Output Level Control Register 1 TRDPOCR1 11111000b
0156h Timer RD Counter 1 TRD1 00h
0157h 00h
0158h Timer RD General Register A1 TRDGRA1 FFh
0159h FFh
015Ah Timer RD General Register B1 TRDGRB1 FFh
015Bh FFh
015Ch Timer RD General Register C1 TRDGRC1 FFh
015Dh FFh
015Eh Timer RD General Register D1 TRDGRD1 FFh
015Fh FFh
01B0h
01B1h
01B2h
01B3h Flash Memory Control Register 4 FMR4 01000000b
01B4h
01B5h Flash Memory Control Register 1 FMR1 1000000Xb
01B6h
01B7h Flash Memory Control Register 0 FMR0 00000001b
01B8h
01B9h
01BAh
01BBh
01BCh
01BDh
01BEh
01BFh
FFFFh Option Function Select Register OFS (Note 2)
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