M37735MHBXXXFP Datasheet, PDF (47/90 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37735MHBXXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Ports P00 – P07, P10 – P17, P20 – P27, P30 – P33, P43 – P46 (Inside dotted-line not included)
Ports P40, P41, P47, P51, P53, P61, P65 – P67, P86 (Inside dotted-line included)
Port direction register
Data bus
Port latch
• Ports P83, P87 (Inside dotted-line not included. Shaded area included.)
Ports P50, P52, P60, P75, P82 (Inside dotted-line included. Shaded area not included.)
Port P42 (Inside dotted-line not included.
Shaded area not included.)
N-channel open-drain
selection (Note 1)
Port direction register
“1”
Data bus
Port latch
Output
Notes 1. Valid only when pins are used as
TxDj pins for serial I/O communication
2. Only P75 as analog input
• Ports P54, P56
Data bus
Analog input
Pull-up selection
Port direction register
“1”
Port latch
Output
(Note 2)
Pull-up
transistor
• Ports P55, P57, P62 – P64
Data bus
Pull-up selection
Port direction register
Port latch
Pull-up
transistor
Fig. 55 Block diagram for ports P0 to P8 and the E pin output format (1)
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