參數(shù)資料
型號(hào)： M37549G2-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO24
封裝： 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁(yè)數(shù)： 13/86頁(yè)
文件大?。?/td> 1375K
代理商： M37549G2-XXXFP
Rev.2.02
Mar 31, 2009
Page 18 of 81
REJ03B0202-0202
7549 Group
Fig 17. Block diagram of pins (2)
Compare output
port selection bit
Compare output
Port latch
(10) Port P13
Timer2 output
P13/T2OUT output valid bit
A/D converter
input
Key-on wakeup input selection bit
Analog input pin selection bit
Key input interrupt
(11) Port P14 - P17
(Note)
(12) Port P20, P21
Pull-up control at STP
P20/XOUT/XCOUT
Oscillation mode selection bit
(function set ROM data 1)
P21/XIN/XCIN
Note: Set to “1” the port P20 direction register.
Clock input
(13) Port P30, P31
(14) CNVss
Mode setting signal
input
QzROM programming
power supply
Reset signal input
(15) RESET
(9) Port P10, P11, P12
Data bus
Pull-up control bit
Direction
register
Pull-up control bit
Direction
register
Port latch
Data bus
Direction
register
Port latch
Data bus
Pull-up control bit
Direction
register
Port latch
Direction
register
Port latch
Data bus
Key-on wakeup input selection bit
Analog input pin selection bit
Key-on wakeup input selection bit
Analog input pin selection bit
A/D converter
input
Key input interrupt
A/D converter
input
Key input interrupt
Direction
register
Port latch
Data bus
represents a parasitic diode.
No current flow is possible. Ensure that the input voltage
to each pin does not exceed the absolute maximum rating.
Note:
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