參數(shù)資料
型號: μPD75P3018A
廠商: NEC Corp.
英文描述: 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述: 4位單片微控制器(4位單片微控制器)
文件頁數(shù): 2/60頁
文件大?。?/td> 337K
代理商: ΜPD75P3018A
μPD75P3018A
2
FUNCTION OUTLINE
Item
Function
Instruction execution time
0.95, 1.91, 3.81, 15.3 μs (main system clock: at 4.19-MHz operation)
0.67, 1.33, 2.67, 10.7 μs (main system clock: at 6.0-MHz operation)
122 μs (subsystem clock: at 32.768-kHz operation)
Internal memory
PROM
32768 x 8 bits
RAM
1024 x 4 bits
General-purpose register
4-bit operation: 8
4 banks
8-bit operation: 4
4 banks
Input/output port
CMOS input
8
On-chip pull-up resistor connection can be specified by using software: 23
CMOS input/output
16
CMOS output
8
Also used for segment pins
N-ch open-drain input/output
8
13-V breakdown voltage
Total
40
LCD controller/driver
Segment number selection : 24/28/32 segments (can be changed to CMOS
output port in unit of 4; max. 8)
Display mode selection
: Static, 1/2 duty (1/2 bias), 1/3 duty (1/2 bias)
1/3 duty (1/3 bias), 1/4 duty (1/3 bias)
Timer
5 channels:
8-bit timer/event counter: 3 channels (can be used for 16-bit timer/event counter,
carrier generator, timer with gate)
Basic interval timer/watchdog timer: 1 channel
Watch timer: 1 channel
Serial interface
3-wire serial I/O mode ... MSB or LSB can be selected for transferring first bit
2-wire serial I/O mode
SBI mode
Bit sequential buffer (BSB)
16 bits
Clock output (PCL)
F
, 524, 262, 65.5 kHz (main system clock: at 4.19-MHz operation)
F
, 750, 375, 93.8 kHz (main system clock: at 6.0-MHz operation)
Buzzer output (BUZ)
2, 4, 32 kHz
(main system clock: at 4.19-MHz operation
or subsystem clock: at 32.768-kHz operation)
2.93, 5.86, 46.9 kHz (main system clock: at 6.0-MHz operation)
Vectored interrupt
External : 3
Internal : 5
Test input
External : 1
Internal : 1
System clock oscillator
Ceramic or crystal oscillator for main system clock oscillation
Crystal oscillator for subsystem clock oscillation
Standby function
STOP/HALT mode
Power supply voltage
V
DD
= 1.8 to 5.5 V
Package
80-pin plastic QFP (14 x 14 mm)
80-pin plastic TQFP (fine pitch) (12 x 12 mm)
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