UPD784907 Datasheet, PDF (34/98 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

µPD784907, 784908
Table 8-1. Port Functions
Port Name Pin Name
Function
Port 0
P00 to P07
• Input or output mode can be specified
in 1-bit units
• Operable as 4-bit real-time outputs
(P00 to P03, P04 to P07)
• Can drive transistors
Port 1
P10 to P17
• Input or output mode can be specified
in 1-bit units
• Can drive LEDs
Port 2
P20 to P27 • Input port
Port 3
P30 to P37
• Input or output mode can be specified
in 1-bit units
• Either pin P32/SCK0 or P33/SO0 can be
set as the N-ch open drain.
Port 4
P40 to P47
• Input or output mode can be specified
in 1-bit units
• Can drive LEDs
Port 5
P50 to P57
• Input or output mode can be specified
in 1-bit units
• Can drive LEDs
Port 6
P60 to P67
• Input or output mode can be specified
in 1-bit units
Port 7
P70 to P77
• Input or output mode can be specified
in 1-bit units
Port 9
P90 to P97
• Input or output mode can be specified
in 1-bit units
Port 10
P100 to P107 • Input or output mode can be specified
in 1-bit units
• Either pin P105/SCK3 or P107/SO3 can
be set as the N-ch open drain.
Specification of Pull-up Resistor Connection by Software
All port pins in input mode
All port pins in input mode
In 6-bit units (P22 through P27)
All port pins in input mode
All port pins in input mode
All port pins in input mode
All port pins in input mode
—
All port pins in input mode
All port pins in input mode
34
Data Sheet U11680EJ2V0DS00