Datasheet

Table Of Contents
Section 9 I/O Ports
Page 280 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
9.12.4 Pin Functions
Port G is an 8-bit I/O port. Port G pins also function as external interrupt inputs (IRQ7) and bus
control signals (CS0 to CS3).
Table 9.71 PG4 Pin Function
Operating Mode Modes 4 to 6 Mode 7
PG4DDR 0 1 0 1
Pin function PG4 input CS0 output PG4 input PG4 output
Table 9.72 PG3 Pin Function
Operating Mode Modes 4 to 6 Mode 7
PG3DDR 0 1 0 1
Pin function PG3 input CS1 output PG3 input PG3 output
Table 9.73 PG2 Pin Function
Operating Mode Modes 4 to 6 Mode 7
PG2DDR 0 1 0 1
Pin function PG2 input CS2 output PG2 input PG2 output
Table 9.74 PG1 Pin Function
Operating Mode Modes 4 to 6 Mode 7
PG1DDR 0 1 0 1
Pin function PG1 input CS3 output PG1 input PG1output
IRQ7 input
*
Note: * When used as an external interrupt input pin, do not use as an I/O pin for another
function.
Table 9.75 PG0 Pin Function
PG0DDR 0 1
Pin function PG0 input PG0 output