參數資料
型號: 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
文件頁數: 11/86頁
文件大?。?/td> 1375K
代理商: M37549G2-XXXFP
Rev.2.02
Mar 31, 2009
Page 17 of 81
REJ03B0202-0202
7549 Group
Fig 16. Block diagram of pins (1)
INT0 input
Data bus
Port latch
Pull-up control bit
(1) Port P00
Drive capacity
control bit
Data bus
INT1 input
(2) Port P01
(3) Port P02
(4) Port P03
CAP0 input
(5) Port P04
Serial I/O input
Receive enable bit
Serial I/O enable bit
(6) Port P05
Transmit enable bit
P05/TXD P-channel output disable bit
(7) Port P06
Serial I/O mode selection bit
Serial I/O enable bit
Serial I/O synchronous
clock selection bit
Serial I/O clock output
(8) Port P07
SRDY output enable bit
Serial I/O ready output
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:
Port latch
Direction
register
Direction
register
Pull-up control bit
Drive capacity
control bit
Pull-up control bit
Direction
register
Data bus
Port latch
Drive capacity
control bit
Pull-up control bit
Data bus
Direction
register
Port latch
Drive capacity
control bit
Pull-up
control bit
Direction
register
Port latch
Data bus
Drive capacity
control bit
Data bus
Pull-up control bit
Direction
register
Port latch
Drive capacity
control bit
Pull-up control bit
Direction
register
Port latch
Data bus
Drive capacity
control bit
Pull-up control bit
Direction
register
Port latch
Data bus
Drive capacity
control bit
Serial I/O output
Serial I/O enable bit
Serial I/O clock input
Serial I/O mode selection bit
Serial I/O enable bit
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