MITSUBISHI MICROCOMPUTERS
M37754M8C-XXXGP, M37754M8C-XXXHP
M37754S4CGP, M37754S4CHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Pull-up select
• Port P55, P57, P95
Direction register
Data bus
Port latch
• Port P80 (Inside dotted-line not included.)
• Port P84 (Inside dotted-line included.)
“1”
“0”
Direction register
Port latch
Output
Data bus
CTSi
Analog output
Enable D-A output
• Port P81, P85
“1”
“0”
Direction register
Port latch
Output
Data bus
_
• E
Hold
acknowledge
_
Fig. 79 Block diagram for ports P0 to P11 in single-chip mode and E output (2)
65