W77LE532_07 Datasheet, PDF (22/88 Pages) Winbond – 8-BIT MICROCONTROLLER

W77LE532/W77L532A
ISP ADDRESS HIGH BYTE
Bit:
7
6
5
4
3
2
1
0
A15 A14 A13 A12 A11 A10
A9
A8
Mnemonic: SFRAH
Address: ADh
High byte destination address for In System Programming operations. SFRAH and SFRAL address a
specific ROM bytes for erasure, porgramming or read.
ISP DATA BUFFER
Bit:
7
6
5
4
3
2
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Mnemonic: SFRFD
Address: AEh
In ISP mode, read/write a specific byte ROM content must go through SFRFD
register.
ISP OPERATION MODES
Bit:
7
6
BANK WFWIN
5
NOE
Mnemonic: SFRCN
4
NCE
3
2
1
0
CTRL3 CTRL2 CTRL1 CTRL0
Address: AFh
BANK: Select APFLASH banks for ISP. Set it 1 access to APFLASH1, clear it to APFLASH0.
WFWIN: Destenation ROM bank for programming, erasure and read. 0 = APFLASHx, 1 = LDFLASH.
NOE: Flash EPROM output enable.
NCE: Flash EPROM chip enable.
CTRL[3:0]: Mode Selection.
ISP Mode
Erase 4KB LDFLASH
Erase 64K APFLASH0
Erase 64K APFLASH1
Program 4KB LDFLASH
Program 64KB APFLASH0
Program 64KB APFLASH1
Read 4KB LDFLASH
Read 64KB APFLASH0
Read 64KB APFLASH1
BANK
0
0
1
0
0
1
0
0
1
WFWIN
1
0
0
1
0
0
1
0
0
NOE
1
1
1
1
1
1
0
0
0
NCE
0
0
0
0
0
0
0
0
0
CTRL<3:0>
0010
0010
0010
0001
0001
0001
0000
0000
0000
SFRAH, SFRAL
X
X
X
Address in
Address in
Address in
Address in
Address in
Address in
SFRFD
X
X
X
Data in
Data in
Data in
Data out
Data out
Data out
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