參數(shù)資料
型號： μPD78P078Y
廠商： NEC Corp.
英文描述： 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述： 8位單片機微控制器（8位單片微控制器）
文件頁數(shù)： 5/84頁
文件大?。?/td> 472K
代理商： ΜPD78P078Y
5
m
PD78P078Y
FUNCTION DESCRIPTION
Item
Function
Internal memory
PROM: 60 Kbytes
Note 1
RAM
High-speed RAM: 1024 bytes
Expansion RAM: 1024 bytes
Note 2
Buffer RAM: 32 bytes
Memory space
64 Kbytes
8 bits
￥
32 registers (8 bits
￥
8 registers
￥
4 banks)
Minimum instruction execution time variable function is integrated.
0.4
m
s/0.8
m
s/1.6
m
s/3.2
m
s/6.4
m
s/12.8
m
s (@ 5.0 MHz)
General register
Minimum instruction execution time
When main system
clock is selected
When subsystem
122
m
s (@ 32.768 kHz)
clock is selected
Instruction set
16-bit operation
Multiply/divide (8 bits
￥
8 bits, 16 bits
T
8 bits)
Bit manipulation (set, reset, test, Boolean operation)
BCD adjust, etc.
I/O ports
Total
: 88
CMOS input
: 2
CMOS input/output
: 78
N-ch open-drain input/output: 8
8-bit resolution
￥
8 channels
8-bit resolution
￥
2 channels
3-wire serial I/O/2-wire serial I/O/I
2
C bus mode selectable: 1 channel
A/D converter
D/A converter
Serial interface
3-wire serial I/O mode (with max. 32-byte on-chip automatic
transmitting/receiving function): 1 channel
3-wire serial I/O/UART mode selectable: 1 channel
Timer
16-bit timer/event counter: 1 channel
8-bit timer/event counter: 4 channels
Watch timer: 1 channel
Watchdog timer: 1 channel
Timer output
5 pins (14-bit PWM output enable: 1 pin, 8-bit PWM output enable: 2 pins)
Clock output
19.5 kHz, 39.1 kHz, 78.1 kHz, 156 kHz, 313 kHz, 625 kHz, 1.25 MHz, 2.5 MHz,
and 5.0 MHz (@ 5.0 MHz with main system clock)
32.768 kHz (@ 32.768 kHz with subsystem clock)
Buzzer output
1.2 kHz, 2.4 kHz, 4.9 kHz and 9.8 kHz
(@ 5.0 MHz with main system clock)
Notes
1.
The internal PROM capacity can be changed by using the memory size switching register (IMS).
2.
The internal expansion RAM capacity can be changed by using the internal expansion RAM size
switching register (IXS).
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