SH7708 datasheet(629/633 Pages) RENESAS

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Table B.3

Reset States

Power-Down States

Module

Power-On

Manual

Standby

Sleep

SCI

SCSMR

H'00

H'00*10

SCBRR

H'FF

H'FF*10

SCSCR

H'00

H'00*10

SCTDR

H'FF

H'FF*10

SCSSR

H'84

H'84*10

SCRDR

H'00

H'00*10

SCSPTR

Initialized*9

Held

SCSCMR

Initialized*11

Notes: 1. MD = 1, RB = 1, BL = 1, I3–I0 = B'1111

M, Q, S, T are undefined.

2. The SV bit is undefined, other bits = 0.

3. H'8000: NMI pin is high / H'0000: NMI pin is low.

4. Initialized in a power-on reset via the

RESET pin.

Held in a power-on reset via the WDT.

5. Depends on the count clock mode.

6. Only the ENB bit is cleared.

7. CF bit is undefined, other bits = 0.

8. RTCEN and START are held, other bits = 0.

9. Bits 2 and 0 are undefined, other bits = 0

10. Held when SCI is operating, initialized when SCI is not used.

11. Bits 0, 2, and 3 are cleared, other bits are undefined.

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