參數(shù)資料
型號: MB89123APFM
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP48
封裝: PLASTIC, QFP-48
文件頁數(shù): 9/42頁
文件大?。?/td> 388K
代理商: MB89123APFM
MB89120/120A Series
17
s
s BLOCK DIAGRAM
Main clock oscillator
Timebase timer
External interrupt
(Wake-up)
CMOS I/O port
CMOS output port
F 2MC-8L
RAM
MOD0, MOD1, VCC, VSS
AVCC, AVR, AVSS
The other pins
X0
X1
RST
P00/(INT20) to
P07/(INT27)
ROM
Buzzer output
N-ch open-drain output port
P30/SCK
P34/TO/INT0
CPU
CMOS I/O port
8
P10 to P17
Reset circuit
(WDT)
External interrupt
8-bit timer/counter
P33/EC/SCO
P32/SI
P31/SO
P35/INT1
P36/INT2
P37/BZ/(RCO)
P40 to P43
Subclock oscillator
(32.768 kHz)
8
Remote control
transmission
frequency generator
Clock controller
P20 to P27
4
X0A
X1A
Port
0/1
Port
2
Internal
bus
8-bit timer/counter
8-bit serial I/O
Port
3
Port
4
* : Only the MB89120A series has wake-up interrupt inputs and remote control transmission.
Note : Parenthesized pins are available only with the MB89120A series.
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