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9.12.3 Pin Functions
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Table 9-21 describes the selection of pin functions.
Table 9-21 Port B Pin Functions
Pin
Pin Functions and Selection Method
DMAC channel 1 settings (bits DTS2/1/0A and DTS2/1/0B in DTCR1A and DTCR1B),
PB
/
7
bit TRGE in ADCR, bit NDER15 in NDERB, and bit PB
TP
/
15
pin function as follows
DREQ
/
1
ADTRG
PB
DDR
7
NDER15
Pin function
Notes: 1. DREQ
2. ADTRG input when TRGE = 1.
DMAC
channel
1 settings
DTS2A, DTS1A
DTS0A
DTS2B
DTS1B
0
—
PB
input
7
input under DMAC channel 1 settings (1) in the table below.
1
(2)
(1)
Not both 1
—
0
1
1
—
0
1
288
DDR in PBDDR select the
7
1
0
PB
output
7
*1
DREQ
input
1
ADTRG input
*2
(2)
(1)
Both 1
0
0
1
0
1
0
—
—
—
1
1
TP
output
15
(2)
(1)
1
1
1
1
0
1
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