239
Pin
Selection Method and Pin Functions
P72/
TEND0
/
ETEND0
The pin function is switched as shown below according to the combination of bit
DMACS in PFCR2, bit TEE0 in DMATCR of the DMAC, bit ETENDE in EDMDR0
of the EXDMAC, and bit P72DDR.
Modes 1, 2, 4, 5, 6, 7 (EXPE = 1)
ETENDE
0
1
TEE0
0
1
—
DMACS
—
0
1
—
P72DDR
0
1
0
1
—
—
Pin function
P72
input
pin
P72
output
pin
P72
input
pin
P72
output
pin
TEND0
output
pin
ETEND0
output
pin
Mode 7 (EXPE = 0)
ETENDE
—
TEE0
0
1
DMACS
—
0
1
P72DDR
0
1
0
1
—
Pin function
P72
input pin
P72
output pin
P72
input pin
P72
output pin
TEND0
output pin
P71/
DREQ1
/
EDREQ1
The pin function is switched as shown below according to bit P71DDR.
P71DDR
0
1
Pin function
P71 input pin
P71 output pin
DREQ1
input
*
EDREQ1
input
Note:
*
DREQ1
input when DMACS = 1.
P70/
DREQ0
/
EDREQ0
The pin function is switched as shown below according to bit P70DDR.
P70DDR
0
1
Pin function
P70 input pin
P70 output pin
DREQ0
input
*
EDREQ0
input
Note:
*
DREQ0
input when DMACS = 1.
Содержание H8S/2670
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