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參數資料
型號: W79E201A16FN
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP44
封裝: ROHS COMPLIANT, QFP-44
文件頁數: 19/87頁
文件大小: 818K
代理商: W79E201A16FN
W79E201
Publication Release Date: December 16, 2004
- 19 -
Revision A2
ISP Address High Byte
Bit:
7
6
5
4
3
2
1
0
SFRAH.7 SFRAH.6 SFRAH.5 SFRAH.4 SFRAH.3 SFRAH.2 SFRAH.1 SFRAH.0
Mnemonic: SFRAH
Address: ADh
High byte destination address is for In System Programming operations. SFRAH and SFRAL address
are specific ROM bytes for erasure, programming or read.
ISP Data Buffer
Bit:
7
6
5
4
3
2
1
0
SFRFD.7 SFRFD.6 SFRFD.5 SFRFD.4 SFRFD.3 SFRFD.2 SFRFD.1 SFRFD.0
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
OEN
CEN
CTRL3
CTRL2
CTRL1
CTRL0
Mnemonic: SFRCN
Address: AFh
BIT
7
6
NAME
FUNCTION
-
Reserve
On-chip Flash EPROM bank select for in-system programming.
0: 16K bytes Flash EPROM bank is selected as destination for re-programming.
1: 4K bytes Flash EPROM bank is selected as destination for re-programming.
Flash EPROM output is enabled.
Flash EPROM chip is enabled.
CTRL[3:0] The flash control signals
WFWIN
5
4
OEN
CEN
3~0
ISP MODE
WFWIN
NOE
NCE
CTRL<3:0>
SFRAH,
SFRAL
X
X
SFRFD
Erase 4KB LD FLASH PROM
Erase 16K AP FLASH EPROM
Program 4KB LD FLASH
EPROM
Program 16KBAP FLASH
EPROM
Read 4KB LD FLASH EPROM
Read 16KB AP FLASH
EPROM
1
0
1
1
0
0
0010
0010
X
X
1
1
0
0001
Address in
Data in
0
1
0
0001
Address in
Data in
1
0
0
0000
Address in
Data out
0
0
0
0000
Address in
Data out
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