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(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
14
13
12
UAR
0
0
0
0
(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
14
13
12
SAR
0
0
0
0
CHAPTER 19
IEBus CONTROLLER (V850/SB2)
11 10
9
8
7
6
5
11 10
9
8
7
6
5
User's Manual U13850EJ4V0UM
4
3
2
1
0
Address
FFFFF3E2H
4
3
2
1
0
Address
FFFFF3E4H
After reset
R/W
0000H
R/W
After reset
R/W
0000H
R/W
459
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