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參數資料
| 型號： | W77IC32-25 |
| 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, 25 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數： | 3/70頁 |
| 文件大小： | 375K |
| 代理商： | W77IC32-25 |
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Preliminary W77IC32
Publication Release Date: March 2000
- 3 - Revision A0
PIN DESCRIPTION
SYMBOL TYPE
DESCRIPTIONS
EA
PSEN
I
O
PROGRAM STORE ENABLE
:
PSEN
enables the external ROM data onto the
Port 0 address/data bus during fetch and MOVC operations.
O
ADDRESS LATCH ENABLE
: ALE is used to enable the address latch that
separates the address from the data on Port 0.
I
RESET
: A high on this pin for two machine cycles while the oscillator is running
resets the device.
I
CRYSTAL1
: This is the crystal oscillator input. This pin may be driven by an
external clock.
O
CRYSTAL2
: This is the crystal oscillator output. It is the inversion of XTAL1.
I
GROUND
: Ground potential
I
POWER SUPPLY
: Supply voltage for operation.
I/O
PORT 0
: Port 0 is an open-drain bi-directional I/O port. This port also provides a
multiplexed low order address/data bus during accesses to external memory.
I/O
PORT 1
: Port 1 is a bi-directional I/O port with internal pull-ups. The bits have
alternate functions which are described below:
T2(P1.0): Timer/Counter 2 external count input
T2EX(P1.1): Timer/Counter 2 Reload/Capture/Direction control
RXD1(P1.2): Serial port 1 RXD
TXD1(P1.3): Serial port 1 TXD
INT2(P1.4): External Interrupt 2
INT3 (P1.5): External Interrupt 3
INT4(P1.6): External Interrupt 4
INT5 (P1.7): External Interrupt 5
I/O
PORT 2
: Port 2 is a bi-directional I/O port with internal pull-ups. This port also
provides the upper address bits for accesses to external memory.
I/O
PORT 3
: Port 3 is a bi-directional I/O port with internal pull-ups. All bits have
alternate functions, which are described below:
RXD(P3.0) : Serial Port 0 input
TXD(P3.1) : Serial Port 0 output
INT0 (P3.2) : External Interrupt 0
INT1
(P3.3) : External Interrupt 1
T0(P3.4) : Timer 0 External Input
T1(P3.5) : Timer 1 External Input
WR
(P3.6) : External Data Memory Write Strobe
RD
(P3.7) : External Data Memory Read Strobe
I/O
PORT 4:
Port 4 is a 4-bit bi-directional I/O port. The P4.0 also provides the
alternate function
WAIT
which is the wait state control signal.
EXTERNAL ACCESS ENABLE
: It should be kept low.
ALE
RST
XTAL1
XTAL2
V
SS
V
DD
P0.0
P0.7
P1.0
P1.7
P2.0
P2.7
P3.0
P3.7
P4.0
P4.3
* Note:
TYPE
I: input, O: output, I/O: bi-directional.
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相關代理商/技術參數 |
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| W77IC32A25DL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77IC32A25PL | 功能描述:IC MCU 8-BIT 1K SRAM 44-PLCC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W77 標準包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設備:POR，PWM，WDT 輸入/輸出數:40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| W77IC32P-25 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER |
| W77IE58 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77IE58_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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