參數(shù)資料
型號(hào)： UPD780232
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù)： 4/52頁(yè)
文件大?。?/td> 345K
代理商： UPD780232
4
μ
PD780232
Data Sheet U13415EJ2V0DS
FUNCTION OVERVIEW
Item
Function
Internal memory
ROM
16 KB
High-speed RAM
768 bytes
Buffer RAM
32 bytes
VFD display RAM
112 bytes
General-purpose register
8 bits
×
32 registers (8 bits
×
8 registers
×
4 banks)
Minimum instruction execution time
On-chip minimum instruction execution time variable function
0.4
μ
s/0.8
μ
s/1.6
μ
s/3.2
μ
s/6.4
μ
s (@ 5.0 MHz operation with system clock)
Instruction set
Multiply/divide (8 bits
×
8 bits, 16 bits
÷
8 bits)
Bit manipulation (set, reset, test, Boolean operation)
I/O ports
(including alternate-function pins for VFD)
CMOS I/Os:
Total:
40
11
13
P-ch open-drain I/Os:
P-ch open-drain outputs: 16
VFD controller/driver
Total of display outputs: 53
15 mA display current: 20
5 mA display current:
33
A/D converter
8-bit resolution
×
4 channels
Power supply voltage: AV
DD
= 4.5 to 5.5 V
Serial interface
3-wire serial mode (automatic transmit/receive function): 1 channel
2-wire serial mode (transmit only):
1 channel
Timer
8-bit remote control timer: 1 channel
8-bit timer:
Watchdog timer:
2 channels
1 channel
Vectored interrupt
sources
Maskable
Internal: 10, external: 2
Non-maskable
Internal: 1
Software
1
Power supply voltage
V
DD
= 4.5 to 5.5 V
Package
80-pin plastic QFP (14
×
14)
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