NEC V850/SA1 mPD703015 Preliminary User's Manual page 30

(14) Ports
As shown below, following ports have general port functions and control pin functions.
Port I/O
P0 8-bit I/O
P1 6-bit I/O
P2 8-bit I/O
P3 8-bit I/O
P4 8-bit I/O
P5
P6 6-bit I/O
P7 8-bit input
P8 4-bit input
P9 7-bit I/O
P10 8-bit I/O
P11 4-bit I/O,
1-bit input
P12 1-bit I/O
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CHAPTER 1 INTRODUCTION
Port Function
General port NMI, external interrupt, A/D converter trigger, RTP trigger
Serial interface
Serial interface, timer output
Timer I/O, external address bus
External address/data bus
External address bus
A/D converter analog input
External bus interface control signal I/O
Real-time output port, external address bus
External address bus, sub clock input
Wait control
Control Function