Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 4 PORT FUNCTIONS
R01UH0042EJ0500 Rev.5.00 Page 108 of 1513
Aug 12, 2011
4.3.1 Port 0
Port 0 is 4-bit (V850ES/JG3-H)/6-bit (V850ES/JH3-H) port for which I/O settings can be controlled in 1-bit units.
Port 0 includes the following alternate-function pins.
Table 4-6. Port 0 Alternate-Function Pins
Pin No. Pin Name
V850ES/
JG3-H
V850ES/
JH3-H
Alternate-Function Pin Name I/O Remark
P00
−
8 INTP00 Input
P01
−
9 INTP01 Input
P02 6 6 NMI Input
P03 7 7 INTP02/ADTRG/UCLK Input
P04 20 26 INTP03 Input
P05 21 27 INTP04 Input
Selectable as N-ch open-drain output
Caution The P00 to P05 pins have hysteresis characteristics in the input mode of the alternate function, but
do not have hysteresis characteristics in the port mode.
(1) Port 0 register (P0)
(a) V850ES/JG3-H
Outputs 0.
Outputs 1.
P0n
0
1
Output data control (in output mode) (n = 2 to 5)
P0
After reset: 00H (output latch) R/W Address: FFFFF400H
0 0 P05 P04 P03 P02 0 0
76543210
(b) V850ES/JH3-H
Outputs 0.
Outputs 1.
P0n
0
1
Output data control (in output mode) (n = 2 to 5)
P0
After reset: 00H (output latch) R/W Address: FFFFF400H
0 0 P05 P04 P03 P02 P01 P00
76543210