W925E240 Datasheet, PDF (32/73 Pages) Winbond – 8-BIT CID MICROCONTROLLER

W925E/C240
6.3 Initial State of Registers
The following table lists the initial state of registers after different reset functions.
SFR ITEM
RESET INITIAL VALUE
POR
ACC, B, STATUS, PSW,
00h
00h
SP,
07h
07h
PAGE
00h
00h
P0, P1, P2, P3, P4, P0IO, P1IO, P2IO,
P3IO, P4IO
ffh
ffh
DPL, DPH, DPL1, DPH1, DPS
00h
00h
PCON, TCON, TMOD,
00h
00h
TL0, TL1, TH0, TH1,
00h
00h
CKCON1, CKCON2, SCON1, SBUF1,
REGVC,
00h
00h
EXIF, IE, HB, IP, EIE, EIP
00h
00h
P1SR, P1EF, P1H, P2H, P3H, P4H,
00h
00h
CIDR, CIDFG, CIDPCR, CIDGD, CIDGA,
00h
00h
FSKDR, DTMFDR,
******** B
******** B
DTMFPT, DTMFAT,
19h
19h
DTMFG, COMPR, IRC1, IRC2, FSKTC,
FSKTB,
00h
00h
CASPT, CASAT,
0fh
0fh
PMR
10000xx1B
10000xx1B
DIVC,
01h
01h
WDCON
0u000uu0B
01000000B
Notes:
x: Un-used
u: unchanged
*: Depend on circuit detection
WDT RESET
00h
07h
00h
ffh
00h
00h
00h
00h
00h
00h
00h
******** B
19h
00h
0fh
uuu00xx1B
01h
0u0001u0B
- 32 -