CHAPTER 19 IEBus CONTROLLER (V850/SB2)
User’s Manual U13850EJ4V0UM
459
(2) IEBus unit address register (UAR)
This register sets the unit address of an IEBus unit. This register must be always set before starting
communication.
Sets the unit address (12 bits) to bits 11 to 0.
Figure 19-12. IEBus Unit Address Register (UAR) Format
15
0
14
0
13
0
12
0
UAR
11 10
9
8
7
6
5
4
3
2
1
0
Address
FFFFF3E2H
After reset
0000H
R/W
R/W
(3) IEBus slave address register (SAR)
During master request, the value of this register is reflected in the value of the transmit data in the slave
address field. This register must be always set before starting communication.
Sets the slave address (12 bits) to bits 11 to 0.
Figure 19-13. IEBus Slave Address Register (SAR) Format
15
0
14
0
13
0
12
0
SAR
11 10
9
8
7
6
5
4
3
2
1
0
Address
FFFFF3E4H
After reset
0000H
R/W
R/W
Содержание MPD703030A
Страница 2: ...User s Manual U13850EJ4V0UM 2 MEMO ...
Страница 514: ...User s Manual U13850EJ4V0UM 514 MEMO ...