參數(shù)資料
型號(hào)： μPD78F0034
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
文件頁數(shù)： 4/52頁
文件大?。?/td> 393K
代理商： ΜPD78F0034
μ
PD78F0034
4
Preliminary Data Sheet
OVERVIEW OF FUNCTION
Item
Function
Internal
memory
Flash memory
32 Kbytes
Note
High-speed RAM
1024 bytes
Note
Memory space
64 Kbytes
General-purpose registers
8 bits
×
32 registers (8 bits
×
8 registers
×
4 banks)
Minimum instruction execution time
On-chip minimum instruction execution time cycle modification function
When main system
clock selected
0.24
μ
s/0.48
μ
s/0.95
μ
s/1.91
μ
s/3.81
μ
s (at 8.38-MHz operation)
When subsystem
clock selected
122
μ
s (at 32.768-kHz operation)
Instruction set
16-bit operation
Multiply/divide (8 bits
×
8 bits,16 bits
÷
8 bits)
Bit manipulate (set, reset, test, Boolean operation)
BCD adjust, etc.
I/O ports
Total
: 51
CMOS input
CMOS I/O
N-ch open drain I/O (5-V resistance) :
:
: 39
8
4
A/D converter
10-bit resolution
×
8 channels
Operable over a wide power supply voltage range: AV
DD
= 2.7 to 5.5 V
Serial interface
UART mode
3-wire serial I/O mode
: 1 channel
: 2 channels
Timer
16-bit timer/event counter : 1 channel
8-bit timer/event counter
Watch timer
Watchdog timer
: 2 channels
: 1 channel
: 1 channel
Timer output
3 (8-bit PWM output capable: 2)
Clock output
131 kHz, 262 kHz, 524 kHz, 1.05 MHz, 2.10 MHz, 4.19 MHz, 8.38 MHz (at 8.38-MHz
operation with main system clock)
32.768 kHz (at 32.768-kHz operation with subsystem clock)
Buzzer output
1.02 kHz, 2.05 kHz, 4.10 kHz, 8.19 kHz (at 8.38-MHz operation with main system clock)
Vectored interrupt
source
Maskable
Internal : 13,
External : 5
Non-maskable
Internal : 1
Software
1
Test input
Internal : 1,
External : 1
Power supply voltage
V
DD
= 2.7 to 5.5 V
Operating ambient temperature
T
A
= –40 to +85
°
C
Package
64-pin plastic shrink DIP (750 mils)
64-pin plastic QFP (14
×
14 mm)
64-pin plastic LQFP (12
×
12 mm)
Note
The capacities of the flash memory and the internal high-speed RAM can be changed with the memory
size switching register (IMS).
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