W925EP01 Datasheet, PDF (38/108 Pages) Winbond – 8-BIT CID MICROCONTROLLER

W925EP01/ W925EP01FG
ISP OPERATION MODES
(INITIAL=3FH)
Bit:
7
6
5
4
3
2
1
0
-
WFWIN OEN CEN CTRL3 CTRL2 CTRL1 CTRL0
Mnemonic: SFRCN
Address: E7h
WFWIN: Destination ROM bank for programming, erasure and read. 0 = AP FLASH EPROM, 1 = LD
FLASH EPROM.
OEN: Flash EPROM output enable.
CEN: Flash EPROM chip enable.
CTRL [3:0]: Mode Selection.
MODE
Erase 64KB APROM
Program 64KB
APROM
Read 64KB APROM
Erase 4KB LDROM
Program 4KB
LDROM
Read 4KB LDROM
WFWIN
0
0
0
1
1
1
OEN
1
1
0
1
1
0
CEN
0
0
0
0
0
0
CTRL<3:0>
0010
0001
0000
0010
0001
0000
SFRAH,
SFRAL
X
Address in
Address in
X
Address in
Address in
SFRFD
X
Data in
Data out
X
Data in
Data out
EXTENDED INTERRUPT ENABLE
(initial=00H)
Bit:
7
-
6
5
4
3
2
1
0
-
EWDI ECOMP EDIV ECID EX3 EX2
Mnemonic: EIE
EIE.7-6: Reserved bits.
EWDI: Enable Watchdog timer interrupt.
ECOMP: Enable comparator interrupt.
EDIV: Enable Divider interrupt.
ECID: Enable CID interrupt.
EX3: External Interrupt 3 Enable.
EX2: External Interrupt 2 Enable.
Address: E8h
TIMED ACCESS
Bit:
7
TA.7
6
TA.6
5
TA.5
Mnemonic: TA
4
TA.4
(INITIAL=FFH)
3
2
1
TA.3 TA.2 TA.1
0
TA.0
Address: EEh
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