HD6413003RVF RENESAS [Renesas Technology Corp], HD6413003RVF Datasheet - Page 126

• Manufacturer Part Number: HD6413003RVF
• Description: microcontroller (MCU)
• Manufacturer: RENESAS [Renesas Technology Corp]

6.2.5 Bus Release Control Register (BRCR)
BRCR is an 8-bit readable/writable register that enables or disables release of the bus to an
external device.
BRCR is initialized to H'FE by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 7 to 1—Reserved: Read-only bits, always read as 1.
Bit 0—Bus Release Enable (BRLE): Enables or disables release of the bus to an external device.
Bit 0
BRLE
0
1
Bit
Initial value
Read/Write
Description
The bus cannot be released to an external device; BREQ and BACK
can be used as input/output pins
The bus can be released to an external device
—
—
7
1
—
—
6
1
—
—
5
1
Reserved bits
108
—
—
4
1
—
—
3
1
—
—
2
1
Bus release enable
Enables or disables
release of the bus to
an external device
—
—
1
1
(Initial value)
BRLE
R/W
0
0