NEC V850E/PH2, User Manual

Page: 869 / 1053

869
Chapter 20 Port Functions
User’s Manual U16580EE3V1UD00
20.2.1 Function of each port
The port functions of V850E/PH2 are shown in the table below.
The port type can vary for each individual bit of a port. In addition to their port functions, these pins are
also shared with on-chip peripheral I/O pins in control mode. For the port types of each port, refer to
Table 20-1 below.
Note: Alternate control function not available on
μ
PD70F3447.
Table 20-1: Port Type and Function Overview
Port Name Pin Name Port Function Function in Control Mode Port Type
Port 0 P00 to P04 5-bit input only External interrupt input
External A/D conversion start trigger input
Emergency shut-off input 3, 15, 15A
Port 1 P10 to P17 8-bit I/O port Timer I/O (TMP0, TMP1, TMP2, TMP3) 6
Port 2 P20 to P27 8-bit I/O port Timer I/O (TMP4, TMP5, TMP6, TMP7) 6
Port 3 P30 to P37 8-bit I/O port Serial interface I/O (UARTC0, UARTC1,
AFCAN0, AFCAN1
Note
)
1S, 2, 9
Port 4 P40 to P45 6-bit I/O port
Serial interface I/O (CSIB0, CSIB1
Note
)
1E, 2, 4C
Port 5 P50 to P57 8-bit I/O port Timer output (TMR0) 11, 13
Port 6 P60 to P67 8-bit I/O port Timer I/O (TMR1) 12, 13, 14
Port 7 P70 to P75 6-bit I/O port Timer I/O (TMT0, TMT1) 6, 8
Port 8 P80 to P86 7-bit I/O port Serial interface I/O (CSI30) 1S, 2, 4, 5, 7
Port 9 P90 to P96 7-bit I/O port
Serial interface I/O (CSI31
Note
)
1S, 2, 4, 5, 7
Port 10 P100 to P102 3-bit I/O port
Timer I/O (TENC1
Note
, TMP8, TMR0,
TMR1)
6, 10
Port AL PAL0 to PAL15 16-bit I/O port
External address bus (A0-A15)
Note 1
Port AH PAH0 to PAH5 6-bit I/O port
External address bus (A16-A21)
Note
1
Port DL PDL0 to PDL15 16-bit /IO port
External data bus (D0-D15)
Note 4C
Port DH PDH0 to
PDH15 16-bit I/O port
External data bus (D16-D31)
Note 4C
Port CS PCS0, PCS1,
PCS3, PCS4 4-bit I/O port External bus interface control signal output
(CS0, CS1, CS3, CS4)
Note
1
Port CM PCM0, PCM1,
PCM6, PCM7 4-bit I/O port External bus interface control signal I/O
(WAIT)
Note
1, 2C
Port CT PCT4, PCT5 2-bit I/O port External bus interface control signal output
(RD, WR)
Note
1
Port CD PCD2 to PCD5 4-bit I/O port External bus interface control signal output
(BEN0-BEN3)
Note
1