HD64F3028F25 Datasheet, PDF (161/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

6.2.12 Address Control Register (ADRCR)
ADRCR is an 8-bit readable/writable register that selects either address update mode 1 or address
update mode 2 as the address output method.
Bit
7
6
5
4
3
2
1
0
—
—
—
—
—
—
— ADRCTL
Initial value 1
1
1
1
1
1
1
1
R/W
—
—
—
—
—
—
R/W R/W
Reserved bits
Reserved bit
Address control
Selects address update
mode 1 or address
update mode 2
ADRCR is initialized to H'FF by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 7 to 2—Reserved: Read-only bits, always read as 1.
Bit 1—Reserved: Can be read or written to, but must not be cleared to 0.
Bit 0—Address Control (ADRCTL): Selects the address output method.
Bit 0
ADRCTL
0
1
Description
Address update mode 2 is selected
Address update mode 1 is selected
(Initial value)
Rev. 2.00, 09/03, page 129 of 890