HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 301

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

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