W79E217A Datasheet, PDF (39/207 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E217A Data Sheet
BIT NAME
7-0 SADDR1
FUNCTION
The SADDR1 should be programmed to the given or broadcast address for
serial port 1 to which the slave processor is designated.
LCD POINTER REGISTER
Bit:
7
6
5
4
-
-
-
-
Mnemonic: LCDPT
BIT NAME
7-4 -
Reserved.
3-0 LCDPT
Address pointer between 0h~Fh.
3
LCDPT.3
FUNCTION
2
LCDPT.2
1
0
LCDPT.1 LCDPT.0
Address: ABh
ISP ADDRESS LOW BYTE
Bit:
7
6
5
4
3
2
1
0
A7
A6
A5
A4
A3
A2
A1
A0
Mnemonic: SFRAL
Low byte destination address for In System Programming operations.
Address: ACh
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
Low byte destination address for In System Programming operations. (SFRAH, SFRAL) represents
the address of the ROM byte that will be erased, programmed 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
5
4
3
2
1
0
-
WFWIN NOE
NCE
CTRL3 CTRL2 CTRL1 CTRL0
Mnemonic: SFRCN
Address: AFh
- 39 -
Publication Release Date: December 14, 2007
Revision A3.0