參數(shù)資料
型號: μPD754244
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): 3/88頁
文件大?。?/td> 417K
代理商: ΜPD754244
3
μ
PD754144, 754244
Functional Outline
Parameter
μ
PD754144
μ
PD754244
Instruction execution time
4, 8, 16, 64
μ
s
(at fcc = 1.0-MHz operation)
0.95, 1.91, 3.81, 15.3
μ
s
(at fx = 4.19-MHz operation)
0.67, 1.33, 2.67, 10.7
μ
s
(at fx = 6.0-MHz operation)
On-chip
Mask ROM
4096
×
8 bits (0000H-0FFFH)
memory
RAM
128
×
4 bits (000H-07FH)
EEPROM
16
×
8 bits (400H-41FH)
System clock oscillator
RC oscillator
(External resistor and capacitor)
Crystal/ceramic oscillator
General-purpose register
4-bit operation: 8
×
4 banks
8-bit operation: 4
×
4 banks
Input/output
CMOS input
4
On-chip pull-up resistor can be specified by mask option.
port
CMOS input/output
9
On-chip pull-up resistor connection can be specified by means of software.
Total
13
Start-up time after reset
56/fcc
2
17
/fx, 2
15
/fx (selected by mask option)
Stand-by mode release time
2
9
/fcc
2
20
/fx, 2
17
/fx, 2
15
/fx, 2
13
/fx
(selected by the setting of BTM)
Timer
4 channels
8-bit timer counter
(can be used as 16-bit timer counter)
: 3 channels
Basic interval/watchdog timer
: 1 channel
Bit sequential buffer
16 bits
Vectored interrupt
External: 1, Internal: 5
Test input
External: 1 (key return reset function available)
Standby function
STOP/HALT mode
Operating ambient temperature
T
A
= –40 to +85
°
C
Operating supply voltage
V
DD
= 1.8 to 6.0 V
Package
20-pin plastic SOP (300 mil, 1.27-mm pitch)
20-pin plastic shrink SOP (300 mil, 0.65-mm pitch)
相關(guān)PDF資料
PDF描述
μPD754202 4 Bit Single Chip Microcontrollers(4位單片微控制器)
μPD754202(A) 4 Bit Single Chip Microcontrollers(4位單片微控制器)
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