HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 557
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HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
- Current page: 557 of 829
- Download datasheet (5Mb)
19.3.3
LADR3 comprises two 8-bit readable/writable registers that perform LPC channel-3 host address
setting and control the operation of the bidirectional data registers. The contents of the address
field in LADR3 must not be changed while channel 3 is operating (while LPC3E is set to 1).
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
LADR3H
LADR3L
Bit Name Initial Value R/W
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit Name Initial Value R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 1
TWRE
LPC Channel 3 Address Register (LADR3)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Channel 3 Address Bits 15 to 8:
When LPC3E = 1, an I/O address received in an LPC I/O
cycle is compared with the contents of LADR3. When
determining an IDR3, ODR3, or STR3 address match, bit 0
of LADR3 is regarded as 0, and the value of bit 2 is ignored.
When determining a TWR0 to TWR15 address match, bit 4
of LADR3 is inverted, and the values of bits 3 to 0 are
ignored. Register selection according to the bits ignored in
address match determination is as shown in table 19.2.
Channel 3 Address Bits 7 to 3
Reserved
This bit is readable/writable, however, only 0 should be
written to this bit.
Bidirectional Data Register Enable
Enables or disables bidirectional data register operation.
0: TWR operation is disabled
TWR-related I/O address match determination is halted
1: TWR operation is enabled
Description
Description
Channel 3 Address Bit 1
Rev. 2.0, 08/02, page 517 of 788
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