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參數(shù)資料
| 型號： | MSM65524A-XXXJS |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQCC68 |
| 封裝： | 0.950 INCH, 1.27 MM PITCH, PLASTIC, LCC-68 |
| 文件頁數(shù)： | 25/27頁 |
| 文件大?。?/td> | 202K |
| 代理商： | MSM65524A-XXXJS |
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Semiconductor
MSM65524A/65P524
PIN DESCRIPTION
Basic Functions
Function
Symbol
Type
Description
Power
Supply
V
DD
+5V digital power supply
GND
0V digital ground
OSC0
System clock input pin. Quartz oscillator or ceramic oscillator is
connected between OSC0 and OSC1. For external clock, input at OSC0,
leaving OSC1 open.
OSC1
System clock output pin
I
O
RESET
System reset input (program starts from address 0040H);
internal pull-up resistance
I
EA
Program memory select input pin.
"L" level input for external program memory; "H" level input for internal
program memory.
I
RD
Read strobe signal during external memory access
O
ALE
Address latch signal during external memory access
O
PORT 0
8-bit Input-output port
During external memory access, becomes address/data bus for address
output, instruction fetch or data read/write along with ALE, RD and WR
pins.
I/O
PORT 1
8-bit Input-output port
Address bus during external memory access
I/O
PORT 2
PORT 3
PORT 4
8-bit Input-output port 3. Secondary functions shown in following table
are added for ports 2 and 3.
I/O
Oscillation
Control
Port
PORT 6
8-bit Input port
Functions as analog input channel during A/D conversion.
I
—
AVDD
AGND
VRH
VRL
—
+5V analog power supply
0V analog ground
+5V analog reference voltage
0V analog reference voltage
PORT 5
4-bit Input-output port
Secondary functions shown in following table are added for port 5.
I/O
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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