Datasheet

Section 9 I/O Ports
Rev.6.00 Sep. 27, 2007 Page 393 of 1268
REJ09B0220-0600
Pin Selection Method and Pin Functions
P6
3
/TEND
1
*
The pin function is switched as shown below according to the combination of
bit TEE1
*
in the DMAC DMATCR, and bit P63DDR.
TEE1
*
0 1
P63DDR 0 1 —
Pin function P6
3
input pin P6
3
output pin TEND
1
output
*
P6
2
/DREQ
1
*
The pin function is switched as shown below according to bit P62DDR.
P62DDR 0 1
Pin function P6
2
input pin P6
2
output pin
DREQ
1
input
*
P6
1
/TEND
0
*
/CS
5
The pin function is switched as shown below according to the combination of
bit TEE0
*
in the DMAC DMATCR, and bits P61DDR and CS25E.
Mode Modes 4 to 6 Mode 7
TEE0
*
0 1 0 1
P61DDR 0 1 — 0 1 —
CS25E — 0 1 — — — —
Pin function P6
1
input
pin
P6
1
output
pin
CS
5
output
pin
TEND
0
output
*
P6
1
input
pin
P6
1
output
pin
TEND
0
output
*
P6
0
/DREQ
0
*
/CS
4
The pin function is switched as shown below according to the combination of
bits P60DDR and CS25E.
Mode Modes 4 to 6 Mode 7
P60DDR 0 1 0 1
CS25E — 0 1 — —
Pin function P6
0
input
pin
P6
0
output
pin
CS
4
output
pin
P6
0
input
pin
P6
0
output
pin
DREQ
0
input
*
Note: * The DMAC and the TEND
1
, DREQ
1
, TEND
0
, and DREQ
0
pin functions are not supported in
the H8S/2321.