HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 799

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

BCRL—Bus Control Register L
790
Bit
Initial value
Read/Write
:
:
:
BRLE
Bus Release Enable
R/W
0
1
7
0
External bus release is disabled
External bus release is enabled
Reserved
Only 0 should be written to this bit
R/W
—
6
0
External Addresses H'010000 to H'01FFFF Enable
Note: * Do not access a reserved area.
0
1
On-chip ROM (H8S/2345) or reserved area* (H8S/2343)
External addresses (in external expansion mode) or
reserved area (in single-chip mode)
EAE
R/W
5
1
R/W
Reserved
Only 1 should be written to these bits
—
4
1
H'FED5
Reserved
Only 0 should be written to this bit
WAIT Pin Enable
0
1
R/W
—
3
1
Wait input by WAIT pin disabled
Wait input by WAIT pin enabled
R/W
—
2
1
R/W
—
1
0
Bus Controller
WAITE
R/W
0
0