h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 220
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h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
- Current page: 220 of 1547
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Section 7 Bus Controller
7.2.5
BCRL is an 8-bit readable/writable register that performs selection of the external bus-released
state protocol, enabling or disabling of the write data buffer function.
BCRL is initialized to H'08 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 7 and 6—Reserved: Only 0 should be written to these bits.
Bit 5—Reserved: It is always read as 0. Cannot be written to.
Bit 4—Reserved: Only 0 should be written to this bit.
Bit 3—Reserved: Only 1 should be written to this bit.
Bit 2—Reserved: Only 0 should be written to this bit.
Bit 1—Write Data Buffer Enable (WDBE): This bit selects whether or not to use the write
buffer function in the external write cycle.
Bit 0—Reserved: Only 0 should be written to these bits.
Rev. 6.00 Feb 22, 2005 page 160 of 1484
REJ09B0103-0600
Bit 1
WDBE
0
1
Bus Control Register L (BCRL)
Description
Write data buffer function not used
Write data buffer function used
¾
¾
¾
¾
¾
¾
¾
(Initial value)
¾
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