Filter
Top Products
Section 21 IEBus
TM
Controller
Page 1110 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
21.3.5 IEBus Master Unit Address Register 2 (IEAR2)
IEAR2 sets the upper eight bits of the master unit address. In master communications, this register
becomes the master address field value. In slave communications, this register is compared with
the received slave address field.
76543210
00000000
R/W R/W R/W R/W R/W R/W R/W R/W
Bit:
Initial value:
R/W:
IARU8
Bit Bit Name
Initial
Value R/W Description
7 to 0 IARU8 All 0 R/W Upper 8 Bits of IEBus Master Unit Address
Set the upper 8 bits of the master unit address. This
register becomes the master address field value. In
slave communications, the master unit address is
compared with the received slave address field.
21.3.6 IEBus Slave Address Setting Register 1 (IESA1)
IESA1 sets the lower four bits of the communications destination slave unit address.
76543210
00000000
R/W R/W R/W R/W R R R R
Bit:
Initial value:
R/W:
ISAL4 - - - -
Bit Bit Name
Initial
Value
R/W Description
7 to 4 ISAL4 0000 R/W Lower 4 Bits of IEBus Slave Address
These bits set the lower 4 bits of the communication
destination slave unit address.
3 to 0 All 0 R Reserved
These bits are always read as 0. The write value should
always be 0.