Table of Contents
Advertisement
9.12.3
Pin Functions
Table 9.21 describes the selection of pin functions.
Table 9.21 Port B Pin Functions
Pin
Pin Functions and Selection Method
PB
/TP
/
DMAC channel 1 settings (bits DTS2/1/0A and DTS2/1/0B in DTCR1A and DTCR1B),
15
7
DREQ
/
bit TRGE in ADCR, bit NDER15 in NDERB, and bit PB
1
ADTRG
function as follows
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
DDR in PBDDR select the pin
7
1
0
PB
output
7
input *
1
DREQ
1
ADTRG input *
2
(2)
(1)
Both 1
0
0
1
0
1
0
—
—
—
Rev. 3.00 Mar 21, 2006 page 297 of 814
Section 9 I/O Ports
1
1
TP
output
15
(2)
(1)
1
1
1
1
0
1
REJ09B0302-0300
Advertisement
Table of Contents
