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參數(shù)資料
型號(hào): W77E516P-40
廠(chǎng)商: WINBOND ELECTRONICS CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 23/85頁(yè)
文件大小: 596K
代理商: W77E516P-40
Preliminary W77E516
Publication Release Date: August 16, 2002
- 23 -
Revision A1
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
WFWIN: Destination ROM bank for programming, erasure and read. 0 = APROM, 1 = LDROM.
NOE: Flash EPROM output enable.
NCE: Flash EPROM chip enable.
CTRL[3:0]: Mode Selection.
ISP Mode
BANK
WFWIN
NOE
NCE
CTRL<3:0>
SFRAH, SFRAL
SFRFD
Erase 4KB LDROM
0
1
1
0
0010
X
X
Erase 64K APROM
0
0
1
0
0010
X
X
Program 4KB LDROM
0
1
1
0
0001
Address in
Data in
Program 64KB APROM
0
0
1
0
0001
Address in
Data in
Read 4KB LDROM
0
1
0
0
0000
Address in
Data out
Read 64KB APROM
0
0
0
0
0000
Address in
Data out
Port 3
Bit:
7
6
5
4
3
2
1
0
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
Mnemonic: P3
Address: B0h
P3.7 - 0: General purpose I/O port. Each pin also has an alternate input or output function. The
alternate functions are described below.
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
RD
WR
T1
T0
INT1
INT0
External interrupt 0
TxD
Serial port 0 output
RxD
Serial port 0 input
Strobe for read from external RAM
Strobe for write to external RAM
Timer/counter 1 external count input
Timer/counter 0 external count input
External interrupt 1
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