HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 302

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 9-21 Port B Pin Functions (cont)
Pin
PB
TP
DREQ
CS
PB
TP
TOCXB
PB
TP
TOCXA
14
13
12
6
5
4
7
/
/
/
/
/
/
0
/
4
4
Pin Functions and Selection Method
Bit CS7E in CSCR, DMAC channel 0 settings (bits DTS2/1/0A and DTS2/1/0B in
DTCR0A and DTCR0B), bit NDER14 in NDERB, and bit PB
pin function as follows
Note: * DREQ
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
CS7E
NDER14
Pin function
DMAC
channel 0
settings
DTS2A, DTS1A
DTS0A
DTS2B
DTS1B
EXB4,
CMD1
PB
NDER13
Pin function
EXA4,
CMD1
PB
NDER12
Pin function
6
5
4
DDR
DDR
DDR
0
PB
PB
input under DMAC channel 0 settings (1) in the table below.
5
4
PB
—
—
—
5
4
0
0
0
input PB
input PB
DDR in PBDDR select the pin function as follows
DDR in PBDDR select the pin function as follows
6
—
0
0
input
(2)
Not both 1
Not both 1
Not both 1
—
1
0
5
4
output TP
output TP
1
0
1
0
DREQ
289
PB
(1)
1
1
6
output
1
0
0
0
13
12
input*
1
1
1
1
output
output
(2)
—
0
0
(1)
TP
—
0
1
14
6
DDR in PBDDR select the
1
0
1
output
Both 1
TOCXB
TOCXA
—
1
0
Both 1
Both 1
(2)
—
—
—
—
4
4
output
output
CS
1
1
0
7
—
—
—
output
1
(1)
1
1
1