HD6475328CG Datasheet, PDF (163/459 Pages) Hitachi Semiconductor – Manual Gives a Hardware Description

Table 9-3 Port 1 Pin Functions in Expanded Modes (cont)
Pin
P14 / WAIT
Functions and How they are Selected
The function depends on the wait mode select 1 bit (WMS1) of the wait-state control
register (WCR) and the P14DDR bit as follows:
WMS1
P14DDR
Pin function
0
0
1
P14 input P14 output
1
0
1
WAIT input
P13 / BREQ The function depends on the BRLE bit and the P13DDR bit as follows:
BRLE
P13DDR
Pin function
0
0
1
P13 input P13 output
1
0
1
BREQ input
P12 / BACK The function depends on the BRLE bit and the P12DDR bit as follows:
BRLE
P12DDR
Pin function
0
0
1
P12 input P12 output
1
0
1
BACK input
P11 / E
P11DDR
Pin function
0
Input
1
E clock output
P10 / ø
P10DDR
Pin function
0
Input
1
ø clock output
146