参数资料
型号: M38858MC-XXXHP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 15/103页
文件大小: 1580K
代理商: M38858MC-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
18
Port control register 1
b7b0
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
PWM0 enable bit
0: PWM0 output disabled
1: PWM0 output enabled
PWM1 enable bit
0: PWM1 output disabled
1: PWM1 output enabled
Not used (returns “0” when read)
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
Timer Y count source selection bit
0: f(XIN)/16 (f(XCIN)/16 in low-speed mode)
1: f(XCIN)
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
Comparator reference input selection bit
0: P20/CMPREF input
1: Reference input fixed
b7
b0
(PCTL1: address 002E16)
(PCTL2: address 002F16)
Fig. 13 Structure of port I/O related registers (1)
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