HD643303x Hitachi, HD643303x Datasheet - Page 178

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

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