NEC PD17062 - Manual (Page 97)

97
µ
PD17062
10.5 Data Buffer and Peripheral Registers
Sections 10.5.1 to 10.5.7 describe the data buffer and the peripheral registers.
10.5.1 IDC Start Position Setting Register
Fig. 10-4 shows the functions of the IDC start position setting register.
The IDC start position setting register sets the IDC display start position.
Fig. 10-4 IDC Start Position Register Functions
DBF3
0CH
DBF2
0DH
DBF1
0EH
DBF0
0FH
b
15
b
14
b
13
b
12
b
11
b
10
b
9
b
8
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
D7 D6 D5 D4 D3 D2 D1 D0
IDCORG 01H
Symbol
Peripheral
address
Peripheral hardware
IDC display position setting
Name
Peripheral register
Name Data buffer
Symbol
Address
Bit
Data Don't care Don't care
Transfer data
GET
PUT
IDC start position
setting register
Valid data
Image display
controller
D7 to D4: Horizontal start position
D3 to D0: Vertical start position