參數(shù)資料
型號: μPD78F0974
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 4/40頁
文件大?。?/td> 232K
代理商: ΜPD78F0974
4
m
PD78F0974
Item
Function
Internal
Flash Memory
32 Kbytes
Note
1024 bytes
Note
Memory
High-speed RAM
EEPROM
256 bytes
20
4 bits
8 bits
32 registers (8 bits
8 registers
4 banks)
0.24
m
s/0.48
m
s/0.95
m
s/1.91
m
s/3.81
m
s (at 8.38 MHz operation)
16-bit operation
LCD display RAM
General-purpose registers
Instruction cycle
Instruction set
Multiply/divide (8 bits
8 bits, 16 bits ÷ 8 bits)
Bit manipulate (set, reset, test, boolean operation)
I/O ports
Total
: 56
(Including segment signal output pins)
CMOS input
CMOS output
: 5
: 16
CMOS I/O
8-bit resolution
5 channels
Power fail detector
: 35
A/D converter
LCD controller/driver
Segment signal output
: Maximum 20
Common signal output
: Maximum 4
Bias
: 1/3
Serial interface
3-wire serial I/O mode
: 1 channel
UART mode
: 1 channel
Timer
16-bit timer
: 1 channel
8-bit timer
: 1 channel
8-bit timer/event counter
Watch timer
: 2 channels
: 1 channel
Watchdog timer
: 1 channel
Meter controller/driver
PWM output (9-bit resolution): 16
Sound generator
1 channel
Clock output
65.5 kHz, 131 kHz, 262 kHz, 524 kHz, 1.04 MHz, 2.09 MHz, 4.19 MHz, 8.38 MHz
(main system clock: at 8.38 MHz operation)
Vectored-
Maskable
Internal : 16
interrupt
External : 3
source
Non-maskable
Internal : 1
Software
1
Supply voltage
V
DD
(SMV
DD
) = 5V±10%
Operation ambient temperature
T
A
= –40 to +85 °C
80-pin plastic QFP (14
20 mm)
Package
Note
The capacities of the flash memory and the internal high-speed RAM can be changed with the memory size
switching register (IMS).
FUNCTION OVERVIEW
相關(guān)PDF資料
PDF描述
μPD78F0988 8 Bit Single Chip Microcontrollers
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