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H8S/2224 Scheda tecnica(PDF) 591 Page - Renesas Technology Corp

Il numero della parte H8S/2224
Spiegazioni elettronici  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  1071 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S/2224 Scheda tecnica(HTML) 591 Page - Renesas Technology Corp

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Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
Rev. 5.00 Aug 08, 2006 page 505 of 982
REJ09B0054-0500
14.3.5
IEBus Master Unit Address Register 2 (IEAR2)
IEAR2 sets the upper 8 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.
Bit
Bit Name
Initial Value
R/W
Description
7
6
5
4
3
2
1
0
IAR11
IAR10
IAR9
IAR8
IAR7
IAR6
IAR5
IAR4
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Upper 8 Bits of IEBus Master Unit Address
Set the upper 8 bits of the master unit address.
14.3.6
IEBus Slave Address Setting Register 1 (IESA1)
IESA1 sets the lower 4 bits of the communications destination slave unit address. For slave
communications, it is not necessary to set this register.
Bit
Bit Name
Initial Value
R/W
Description
7
6
5
4
ISA3
ISA2
ISA1
ISA0
0
0
0
0
R/W
R/W
R/W
R/W
Lower 4 Bits of IEBus Slave Address
These bits set the lower 4 bits of the
communications destination slave unit address
3 to 0
All 0
Reserved
These bits are always read as 0 and cannot be
modified.



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