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參數(shù)資料
| 型號： | UPD17149GTA1 |
| 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)： | 3/102頁 |
| 文件大?。?/td> | 408K |
| 代理商： | UPD17149GTA1 |
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3
μ
PD17145(A1), 17147(A1), 17149(A1)
POC circuit
Operating voltage
Package
One-time PROM version
μ
PD17P149
Timer
3 channels
Internal interrupt: 4
FUNCTION LIST
Part Number
μ
PD17145 (A1)
μ
PD17147 (A1)
μ
PD17149 (A1)
Item
ROM capacity
2 KB (1024
×
16 bits)
4 KB (2048
×
16 bits)
8 KB (4096
×
16 bits)
RAM capacity
110
×
4 bits
Stack
Address stack
×
5, interrupt stack
×
3
I/O
: 20
I/O ports
23
Input
: 2
Sense input (INT pin
Note
)
: 1
A/D converter input
4 channels (shared with port pins), absolute accuracy:
±
1.5 LSB MAX.
8-bit timer/counter:
2 channels (can be used as 1 channel of 16-bit timer)
7-bit basic interval timer:
1 channel (can be used as watchdog timer)
Serial interface
1 channel (3-wire)
Multiple interrupt by hardware (3 levels MAX.)
External interrupt (INT): 1
Rising edge, falling edge, or both rising and falling
edges selectable for detection.
Interrupt
Timer 0 (TM0)
Timer 1 (TM1)
Basic interval timer (BTM)
Serial interface (SIO)
Instruction execution time
2
μ
s (at 8 MHz, ceramic oscillation)
Standby function
HALT, STOP
Mask option
(Can be used in application circuit that operates on V
DD
= 5 V
±
10 %, 400 kHz to 4 MHz)
2.7 to 5.5 V (at 400 kHz to 2 MHz)
4.5 to 5.5 V (at 400 kHz to 8 MHz)
28-pin plastic shrink DIP (400 mil)
28-pin plastic SOP (375 mil)
Quality grade is "standard" and not (A1).
Operating temperature range: T
a
= –40 to +85 C
Note
The INT pin is used as an input pin (sense input) when the external interrupt function is not used.
The status of this pin is read by using the INT flag of a control register, not by a port register.
Caution
The PROM version is functionally compatible with the mask ROM versions but its internal
circuit and part of the electrical characteristics are different from those of the mask ROM
versions. To replace the PROM version with a mask ROM version, thoroughly conduct
application evaluation by using a sample of the mask ROM version.
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