M37516F8HP Datasheet, PDF (8/12 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37516F8HP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(1) Port P00
Data bus
Direction
register
Port latch
Serial I/O2 input
(3) Port P02
P02/SCLK2 P-channel output disable bit
Serial I/O2 synchronous clock
selection bit
Serial I/O2 port selection bit
Direction
register
Data bus
Port latch
(2) Port P01
P01/SOUT2 P-channel output
disable bit
Serial I/O2 transmit completion signal
Serial I/O2 port selection bit
Direction
register
Data bus
Port latch
Serial I/O2 output
(4) Port P03
SRDY2 output enable bit
Direction
register
Data bus
Port latch
Serial I/O2 clock output
Serial I/O2 external clock input
Serial I/O2 ready output
(5) Ports P04–P07, P1, P45–P47
Direction
register
Data bus
Port latch
(7) Port P21
Port XC switch bit
Direction
register
Data bus
Port latch
(6) Port P20
Port XC switch bit
Direction
register
Data bus
Port latch
(8) Port P22
I²C-BUS interface enable bit
SDA/SCL pin selection bit
Direction
register
Data bus
Port latch
Oscillator
Port P21
Port XC switch bit
Sub-clock generating circuit input
Fig. 6 Port block diagram (1)
SDA output
SDA input
8