Pin Functions - Hitachi H8/3032 Series Hardware Manual

Downloaded from Elcodis.com electronic components distributor

7.11.3 Pin Functions

The port B pins are also used for TPC output (TP
TIOCA , TIOCA ) and output (TOCXB
4 3
selection of pin functions.
Table 7-18 Port B Pin Functions
Pin Pin Functions and Selection Method
PB / Bit TRGE in ADCR, bit NDER15 in NDERB and bit PB
7
TP /
pin function as follows
15
ADTRG
PB DDR
7
NDER15
Pin function
Notes: * ADTRG input when TRGE = 1.
PB /
Bit NDER14 in NDERB and bit PB
6
TP /
14
PB DDR
6
NDER14
Pin function
PB /
ITU channel 4 settings (bit CMD1 in TFCR and bit EXB4 in TOER), bit NDER13 in
5
TP / NDERB, and bit PB
13
5
TOCXB
4
EXB4,
CMD1
PB DDR
5
NDER13 —
Pin function PB
5
PB /
ITU channel 4 settings (bit CMD1 in TFCR and bit EXA4 in TOER), bit NDER12 in
4
TP /
NDERB, and bit PB
12
4
TOCXA
4
EXA4,
CMD1
PB DDR
4
NDER12 —
Pin function PB
4
to TP ), ITU input/output (TIOCB
15 8
), and ADTRG input. Table 7-18 describes the
, TOCXA
4 4
0
—
PB input PB
7 7
ADTRG input *
DDR in PBDDR select the pin function as follows
6
0
—
PB input PB
6 6
DDR in PBDDR select the pin function as follows
Not both 1
0 1 1
0 1
input PB output TP output
5 13
DDR in PBDDR select the pin function as follows
Not both 1
0 1 1
0 1
input PB output TP output
4 12
163
, TIOCB
4
DDR in PBDDR select the
7
1 1
0 1
output TP output
15
1 1
0 1
output TP output
14
Both 1
—
—
TOCXB output
4
Both 1
—
—
TOCXA output
4
,
3