M38207E8FP Datasheet, PDF (16/66 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(9) Port P47
Serial I/O1 mode selection bit
Serial I/O1 enable bit
SRDY1 output enable bit
Direction register
Data bus
Port latch
Pull-up control
Serial I/O1 ready output
(11) Port P51
Serial I/O2 transmit completion signal
Serial I/O2 port selection bit
Direction register
Data bus
Port latch
Pull-up control
Serial I/O2 output
(13) Port P53
SRDY2 output enable bit
Direction register
Data bus
Port latch
Pull-up control
Serial I/O2 ready output
(15) Port P56
Direction register
Data bus
Port latch
TOUT output control bit
Timer output
Pull-up control
Fig. 6 Port block diagram (2)
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MITSUBISHI MICROCOMPUTERS
3820 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(10) Ports P50,P55
Direction register
Data bus
Port latch
Pull-up control
(12) Port P52
Serial I/O2 input
CNTR1 interrupt input
Internal synchronization clock
select bits
Serial I/O2 port selection bit
Direction register
Pull-up control
Data bus
Port latch
Serial I/O2 clock output
Serial I/O2 clock input
(14) Port P54
Data bus
Direction register
Port latch
Pull-up control
Timer X operating mode bit
(Pulse output mode selection)
Timer output
CNTR0 interrupt input
(16) Ports P60, P61
Pull-up control
Direction register
Data bus
Port latch
Real time port control bit
Data for real time port
INT3 interrupt input
Except P61