參數(shù)資料
型號: UPD17149CT
廠商: NEC Corp.
英文描述: SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 小,通用4位單晶片微控制器
文件頁數(shù): 5/102頁
文件大?。?/td> 408K
代理商: UPD17149CT
5
μ
PD17145(A1), 17147(A1), 17149(A1)
BLOCK DIAGRAM
Notes 1.
The ROM capacity of each product is as follows:
1024
×
16 bits:
μ
PD17145(A1)
2048
×
16 bits:
μ
PD17147(A1)
4096
×
16 bits:
μ
PD17149(A1)
The stack capacity of each product is as follows:
5
×
10 bits:
μ
PD17145(A1)
5
×
11 bits:
μ
PD17147(A1)
5
×
12 bits:
μ
PD17149(A1)
2.
Remark
CMOS or N-ch in ( ) indicate the output format of the port.
CMOS : CMOS push-pull output
N-ch
: N-ch open-drain output
V
DD
P0A
3
P0A
2
P0A
1
P0A
0
P0B
3
P0B
2
P0B
1
P0B
0
P0C
3
/ADC
3
P0C
2
/ADC
2
P0C
1
/ADC
1
P0C
0
/ADC
0
P0F
1
/V
REF
P0F
0
/RLS
P0D
3
/TM1OUT
P0D
2
/SI
P0D
1
/SO
P0D
0
/SCK
TM1
Serial
Interface
P0D
(N-ch)
P0F
A/D
Converter
P0C
(CMOS)
P0B
(CMOS)
P0A
(CMOS)
RF
RAM
110
×
4 bits
SYSTEM REG.
ALU
ROM
Note 1
Program Counter
Stack
Note 2
IRQSIO
Instruction
Decoder
P0E
(N-ch)
Timer 0
Timer 1
Basic Interval Timer
Interrupt
Controller
Clock
Divider
System Clock
Generator
fx/2
N
CPU CLOCK CLK STOP
X
IN
X
OUT
INT
IRQTM0
IRQTM1
IRQBTM
IRQSIO
IRQBTM
fx/2
N
fx/2
N
fx/2
N
IRQTM1
IRQTM0
P0E
3
P0E
2
P0E
1
P0E
0
RESET
GND
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