Hitachi F-ZTAT H8/3039 Series Hardware Manual page 167

Table 7-9 Port 6 Pin Functions in Modes 1, 3, and 5
Pin Pin Functions and Selection Method
P6 /WR Functions as follows regardless of P6
5
P6
5
Pin function
P6 /RD Functions as follows regardless of P6
4
P6
4
Pin function
P6 /AS Functions as follows regardless of P6
3
P6
3
Pin function
P6 /WAIT Bits WCE7 to WCE0 in WCER, bit WMS1 in WCR, and bit P6
0
function as follows
WCER
WMS1
P6
0
Pin function
Note: Do not set bit P6
156
DDR
DDR
DDR
DDR 0
P6
0
0
DDR
5
0
DDR
4
0
DDR
3
0
All 1s
0
1
input P6 output
0
DDR to 1.
WR output
RD output
AS output
DDR select the pin
0
1
0*
WAIT input
1
1
1
Not all 1s
—
0*