參數(shù)資料
型號: μPD789026
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): 5/52頁
文件大?。?/td> 275K
代理商: ΜPD789026
5
μ
PD789022, 789024, 789025, 789026
FUNCTIONS
Item
μ
PD789022
Note
μ
PD789024
Note
μ
PD789025
μ
PD789026
Internal memory
ROM
4 Kbytes
8 Kbytes
12 Kbytes
16 Kbytes
High-speed RAM
256 bytes
512 bytes
Minimum instruction execution time
0.4
μ
s/1.6
μ
s (when the system clock operates at 5.0 MHz)
General-purpose register
8 bits
×
8 registers
Instruction set
16-bit operation
Bit manipulation (set, reset, test), etc.
I/O ports
Total
: 34
CMOS input/output
: 34
Serial interface
3-wire serial I/O mode/UART mode selection possible: 1 channel
Timer
16-bit timer counter
8-bit timer/event counter : 1 channel
Watchdog timer
: 1 channel
: 1 channel
Timer outputs
2 outputs
Maskable interrupts
Internal: 5, External: 4
Non-maskable interrupt
Internal: 1
Power supply voltage
V
DD
= 1.8 to 5.5 V
Operating ambient temperature
T
A
= -40 to +85
°
C
Packages
42-pin plastic shrink DIP (600 mil)
44-pin plastic QFP (10
×
10 mm)
Note
Under development
Vectored
interrupt source
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