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參數(shù)資料
| 型號： | UPD75512GFA |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機 |
| 文件頁數(shù)： | 3/64頁 |
| 文件大?。?/td> | 494K |
| 代理商： | UPD75512GFA |
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μ
PD75512(A)
3
μ
PD75512(A) FUNCTIONS
Item
Function
Internal
Memory
Size
ROM
12160
×
8 bits
RAM
512
×
4 bits
Genearl-Purpose Register
(4 bits
×
8 or 8 bits
×
4)
×
4 banks
Instruction Cycle
0.95
μ
s/1.91
μ
s/15.3
μ
s (Main system clock: at 4.19 MHz)
122
μ
s (Subsystem clock: at 32.768 kHz)
Total
64 lines
CMOS Inputs
16 lines (also serve as INT, SIO, PPO, analog input; can be pulled up by software: 7
lines)
Input/
Output
Ports
CMOS
Input/Outputs
28 lines
Can be pulled up by software: 16 lines
Can be pulled down by mask option: 4 lines
N-ch Open-Drain
Input/Outputs
20 lines (10 V withstand voltage; pins that can be pulled up by mask option: 20)
A/D Converter
8-bit resolution
×
8 channels (successive approxmation type)
Operation voltage: V
DD
= 3.5 to 6.0 V
Timer/event counter
Basic interval timer
Timer/pulse generator (capable of outputting 14-bit PWM)
Watch timer
NEC standard serial bus interface (SBI)/3-line SIO: 1 channel
Normal clock synchronized serial interface (3-line SIO): 1 channel
Vector Interrupt
External: 3, Internal: 4
Test Input
External: 1, Internal: 1
Bit data set/reset/test/boolean operation instruction
4-bit data transfer/operation/increment/decrement /compare instructions
8-bit data transfer/operation/increment/decrement /compare instructions
Instruction Set
Ceramic/crystal oscillator for main system clock: 4.19 MHz
Crystal oscillator for subsystem clock: 32.768 kHz
Operation Voltage
V
DD
= 2.7 V to 6.0 V
Package
80-pin plastic QFP (14
×
20mm)
System Clock Generator
Timer/Counter
4 channels
Serial Interface
2 channels
#
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