3069RF-ZTAT Datasheet, PDF (298/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 8.11 Port 6 Pin Functions in Modes 1 to 5
Pin
P6₇/φ
LWR
HWR
RD
AS
Pin Functions and Selection Method
Bit PSTOP in MSTCRH selects the pin function.
PSTOP
0
Pin function
φ output
1
P6 input
7
Functions as LWR regardless of the setting of bit P6 DDR.
6
P6 DDR
6
Pin function
0
1
LWR output*
Note: * If any of bits DRAS2 to DRAS0 in DRCRA is 1 and bit CSEL in DRCRB is 1, LWR
output functions as LCAS.
Functions as HWR regardless of the setting of bit P6 DDR.
5
P6 DDR
5
Pin function
0
1
HWR output*
Note: * If any of bits DRAS2 to DRAS0 in DRCRA is 1 and bit CSEL in DRCRB is 1, HWR
output functions as UCAS.
Functions as RD regardless of the setting of bit P6 DDR.
4
P6 DDR
0
1
4
Pin function
RD output*
Note: * If any of bits DRAS2 to DRAS0 in DRCRA is 1, RD output functions as WE.
Functions as AS regardless of the setting of bit P6 DDR.
3
P6 DDR
0
1
3
Pin function
AS output
P6 /BACK
2
P6 /BREQ
1
P6 /WAIT
0
Bit BRLE in BRCR and bit P6 DDR select the pin function as follows.
2
BRLE
0
P6 DDR
2
Pin function
0
P6 input
2
1
P6 output
2
1
—
BACK output
Bit BRLE in BRCR and bit P6 DDR select the pin function as follows.
1
BRLE
0
P6 DDR
1
Pin function
0
P6 input
1
1
P6 output
1
1
—
BREQ input
Bit WAITE in BCR and bit P6 DDR select the pin function as follows.
0
WAITE
0
P6 DDR
0
0
Pin function
P6 input
0
Note:
*
Do not set bit P6 DDR to 1.
0
1
P6 output
0
1
0*
WAIT input
Rev. 5.0, 09/04, page 276 of 978