IBM PowerPC 405GP User Manual

13
G18E GPIO 18 Enable
o Enable interrupt IR01 as an interrupt
1
Enable interrupt IR01 as GPI018
14
G19E GPIO 19 Enable
o Enable interrupt IR02 as an interrupt
1
Enable interrupt IR02 as GPI019
15
G20E GPIO 20 Enable
o Enable interrupt IR03 as an interrupt
1
Enable interrupt IR03 as GPI020
16
G21E GPIO
21 Enable
o Enable interrupt IR04 as an interrupt
1
Enable interrupt IR04 as GPI021
17 G22E GPIO 22 Enable
o Enable interrupt IR05 as an interrupt
1
Enable interrupt IR05 as GPI022
18
G23E GPIO 23 Enable
o Enable interrupt IR06 as an interrupt
1
Enable interrupt IR06 as GPI023
19 DCS
DSRlCTS select
o DSR is selected.
1 CTS is selected.
20
RDS
RTS/DTR select
o RTS is selected.
1 DTR is selected.
21
DTE DMA Transmit Enable for UARTO
o DMA transmit channel is disabled.
1 DMA transmit channel is enabled.
22
DRE
DMA Receive Enable for
UARTO
o DMA receive channel is disabled.
1 DMA receive channel is enabled.
23
DAEC
DMA Allow Enable Clear for
UARTO
o DTE and DRE for UARTO are not cleared
when the UART receives a corresponding
terminal count.
1 DTE and DRE for
UARTO are cleared
when the UART receives a corresponding
terminal count.
24
UOEC Select External Clock for UARTO
o UARTO uses the internally derived serial
clock
1 UARTO uses the external serial clock
input
25
U1EC
Select External Clock for UART1
o UART1 uses the internally derived serial
clock
1 UART1 uses the external serial clock
input
Preliminary
Clocking
7-13

IBM PowerPC 405GP Specifications

General

Brand	IBM
Model	PowerPC 405GP
Category	Computer Hardware
Language	English