參數(shù)資料
型號: M38827G5-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 13/64頁
文件大小: 619K
代理商: M38827G5-XXXHP
Rev.1.01
Nov 14, 2005
page 18 of 60
REJ03B0089-0101
3882 Group
Fig. 13 Structure of port I/O related registers (1)
Port control register 1
b7
b0
Port control register 2
P00–P03 output structure selection bit
0: CMOS
1: N-channel open-drain
P04–P07 output structure selection bit
0: CMOS
1: N-channel open-drain
P10–P13 output structure selection bit
0: CMOS
1: N-channel open-drain
P14–P17 output structure selection bit
0: CMOS
1: N-channel open-drain
P30–P33 pull-up control bit
0: No pull-up
1: Pull-up
P34–P37 pull-up control bit
0: No pull-up
1: Pull-up
Not used (returns “0” when read)
P45 P-channel output disable bit
0: CMOS output (in output mode)
1: N-channel open drain output (in output mode)
P7 input level selection bit (P70-P75)
0: CMOS input level
1: TTL input level
P4 output structure selection bit (P42, P43, P44, P46)
0: CMOS
1: N-channel open-drain
P8 function selection bit
0: Port P8/Port P8 direction register
1: Port P4 input register/Port P7 input register
INT2, INT3, INT4 interrupt switch bit
0: INT20, INT30, INT40 interrupt
1: INT21, INT31, INT41 interrupt
Not used (returns “0” when read)
Oscillation stabilizing time set after STP instruction released bit
0: Automatic set “0116” to timer 1 and “FF16” to prescaler 12
1: No automatic set
Not used (returns “0” when read)
b7
b0
(PCTL1: address 002E16)
(PCTL2: address 002F16)
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