Port 5 - NEC V850E/MS1 UPD703100 User Manual

12.3.6 Port 5

Port 5 is an 8-bit input/output port that can be set to input or output in 1-bit units.
7 6
P5 P57 P56
Bit Position Bit Name
7 to 0 P5n (n = 7 to 0)
In addition to their function as port pins, the port 5 pins can also operate in the control mode (external expansion
mode) as a data bus used when memory is expanded externally.
(1) Operation in control mode
Port
Port 5 P50 to P57 D8 to D15
382
CHAPTER 12 PORT FUNCTIONS
5 4 3
P55 P54 P53
Port 5
Input/output port
Control Mode
Data bus in memory expansion
User's Manual U12688EJ4V0UM00
2 1 0
P52 P51 P50
Function
Remark
Address After reset
FFFFF00AH Undefined
Block Type
E