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參數(shù)資料
| 型號(hào)： | W78C51D-24 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CABLE DUAL COAXIAL PVC 23 AWG |
| 中文描述： | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大小： | 255K |
| 代理商： | W78C51D-24 |
Preliminary W78C51D
- 4 -
PSEN
Program Store Enable Output, active low.
PSEN
enables the external ROM onto the Port 0
address/data bus during fetch and MOVC operations.
PSEN
goes to a high impedance state during
reset with a weak pull-up.
XTAL1
Crystal 1. This is the crystal oscillator input. This pin may be driven by an external clock.
XTAL2
Crystal 2. This is the crystal oscillator output. It is the inversion of XTAL1.
V
SS
, V
DD
Power Supplies. These are the chip ground and positive supplies.
BLOCK DIAGRAM
P3.0
~
P3.7
P1.0
~
P1.7
ALU
Port 0
Latch
Port 1
Latch
Timer
1
Timer
0
Port
1
UART
XTAL1
PSEN
ALE
GND
VDD
RST
XTAL2
Oscillator
Interrupt
PSW
Instruction
Decoder
&
Sequencer
Reset Block
Bus & Clock
Controller
SFR RAM
Address
Power control
128bytes
RAM & SFR
Stack
Pointer
B
Addr. Reg.
Incrementor
PC
DPTR
Temp Reg.
T2
T1
ACC
Port 3
Latch
Port 4
Latch
Port
3
Port 2
Latch
P4.0
~
P4.3
Port
4
Port
0
Port
P2.0
~
P2.7
P0.0
~
P0.7
INT2
INT3
Watchdog
Timer
4KB
ROM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W78C51D-40 | CABLE RISER UNSHLD 4COND 22AWG |
| W78C52C | 8-BIT Microcontroller(8位的微控制器) |
| W78C52D | BOX 2.13X1.38X.58 TRANS GRY |
| W78C52DF-24 | 8-BIT MICROCONTROLLER |
| W78C52DF-40 | 8-BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W78C51D-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C51DF-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C51DF-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C51DP-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C51DP-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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