參數(shù)資料
型號(hào): M37549G1-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(shù): 8/84頁
文件大?。?/td> 1378K
代理商: M37549G1-XXXFP
Rev.2.02
Mar 31, 2009
Page 16 of 81
REJ03B0202-0202
7549 Group
Table 6
I/O port function table
NOTE:
1. Function set ROM data 1 is included in the function set ROM area.
Pin
Name
I/O format
Non-port function
SFRs related each pin
P00(LED0)/INT0
P01(LED1)/INT1
I/O port P0
CMOS compatible input
level
CMOS 3-state output
External interrupt input
Interrupt edge selection register
Port P0 drive capacity control register
Port P0 pull-up control register
P02(LED2)
Port P0 drive capacity control register
Port P0 pull-up control register
P03(LED3)/CAP0
Capture input
Capture/Compare port register
Port P0 drive capacity control register
Port P0 pull-up control register
P04(LED4)/RXD
Serial interface input/
output
Serial I/O control register
Port P0 drive capacity control register
Port P0 pull-up control register
P05(LED5)/TXD
Serial I/O control register
UART control register
Port P0 drive capacity control register
Port P0 pull-up control register
P06(LED6)/SCLK
Serial I/O control register
Port P0 drive capacity control register
Port P0 pull-up control register
P07(LED7)/SRDY
Serial I/O control register
Port P0 drive capacity control register
Port P0 pull-up control register
P10/AN0/KEY0/CMP0
P11/AN1/KEY1/CMP1
P12/AN2/KEY2/CMP2
I/O port P1
Compare output
Key input interrupt
A/D conversion input
Capture/Compare port register
Port P1 pull-up control register
Key-on wakeup input selection register
AD control register
P13/AN3/KEY3/T2OUT
Timer 2 output
Key input interrupt
A/D conversion input
Timer mode register
Port P1 pull-up control register
Key-on wakeup input selection register
AD control register
P14/AN4/KEY4
P15/AN5/KEY5
P16/AN6/KEY6
P17/AN7/KEY7
Key input interrupt
A/D conversion input
Port P1 pull-up control register
Key-on wakeup input selection register
AD control register
P20/XOUT/XCOUT
I/O port P2
CMOS 3-state output
Clock pin
Function set ROM data 1 (Note)
Clock mode register
P21/XIN/XCIN
CMOS compatible input
level
CMOS 3-state output
Clock pin
Function set ROM data 1 (Note)
Clock mode register
P30
P31
I/O port P3
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