參數(shù)資料
型號: M37643M8-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 33/123頁
文件大?。?/td> 1292K
代理商: M37643M8-XXXHP
Rev.2.00
Aug 28, 2006
page 15 of 119
7643 Group
REJ03B0054-0200
Table 6 List of I/O port function
Name
Port P0
Port P1
Port P2
Input/Output
Input/Output,
individual bits
I/O format
CMOS input level
CMOS 3-state output
Non-port function
Lower address
output
Higher address
output
Data bus I/O
Related SFRs
CPU mode register A
Port control register
Ref. No.
(1)
P00/AB0
P07/AB7
P10/AB8
P17/AB15
P20/DB0
P27/DB7
P60–P67
P70,
__________
P71/HOLD,
P72,
__________
P73/HLDA,
P74
__________
P80/SRDY,
P81/SCLK,
P82/SRXD,
P83/STXD,
P84/UTXD,
P85/URXD,
_______
P86/CTS,
_______
P87/RTS
Pin
(2)
CPU mode register A
Port control register
Port P2 pull-up control
register
CPU mode register A
CPU mode register B
Port control register
CPU mode register A
CPU mode register B
Port control register
Interrupt polarity select register
CPU mode register A
Port control register
Clock control register
Timer 123 mode register
Port control register
Control signal I/O
CMOS input level/VIHL
input level
CMOS 3-state output
Port P3
(1)
(3)
(4)
(5)
CMOS input level
CMOS 3-state output
P30/RDY–
P37/RD
P40/EDMA,
Port P4
P41/INT0,
P42/INT1,
P43,P44
Control signal I/O
External interrupt
P50/XCIN,
P51/TOUT/
XCOUT
CMOS input level
CMOS 3-state output
(6)
(7)
Timer 1, Timer 2
output pin
Sub-clock generat-
ing input pin
P52–P57
Port P5
CMOS input level
CMOS 3-state output
(8)
CMOS input level/TTL
input level
CMOS 3-state output
CMOS input level
CMOS 3-state output
CMOS input level
CMOS 3-state output
CMOS input level
CMOS 3-state output
(9)
Port control register
CPU mode register B
UART control registers
Serial I/O control register 1
Serial I/O control register 2
Port control register
Port P6
Port P7
(10)
(11)
(12)
(13)
(14)
Control signal I/O
Serial I/O I/O pin
UART I/O pin
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
Port P8
Notes 1: For details of the ports functions in modes other than single-chip mode, and how to use double-function ports as function I/O ports, refer to the applicable
sections.
2: Make sure that the input level at each pin is either 0 V or VCC during execution of the STP instruction.
When an input level is at an intermediate potential, a rush current will flow from VCC to VSS through the input-stage gate.
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