HD64F2149 Datasheet, PDF (970/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

HICR—Host Interface Control Register
H'FFF0
HIF (XBS)
Bit
7
6
5
4
3
2
1
0
—
—
—
—
— IBFIE2 IBFIE1 FGA20E
Initial value
1
1
1
1
1
0
0
0
Slave R/W
—
—
—
—
—
R/W R/W R/W
Host R/W
—
—
—
—
—
—
—
—
Fast A20 gate function enable
FGA20E P81DDR
Description
0
0 HIF: XBS fast A20 gate function disabled
1 HIF: XBS fast A20 gate function disabled
1
0 Setting prohibited
1 HIF: XBS fast A20 gate function enabled
Input data register full interrupt enable 1
0 Input data register (IDR1)
receive complete interrupt request is
disabled
1 Input data register (IDR1)
receive complete interrupt request is
enabled
Input data register full interrupt enable 2
0 Input data register (IDR2) receive complete
interrupt request is disabled
1 Input data register (IDR2) receive complete
interrupt request is enabled
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