D.57 SIOCFG
SIO and SSIO Configuration
SIOCFG
(read/write)
7
S1M
S0M
Bit
Bit
Number
Mnemonic
7
S1M
6
S0M
5–3
—
2
SSBSRC
1
S1BSRC
0
S0BSRC
—
—
SIO1 Modem Signal Connections:
0 = Connects the SIO1 modem input signals to the package pins.
1 = Connects the SIO1 modem input signals internally.
SIO0 Modem Signal Connections:
0 = Connects the SIO0 modem input signals to the package pins.
1 = Connects the SIO0 modem input signals internally.
Reserved. These bits are undefined; for compatibility with future devices,
do not modify these bits.
SSIO Baud-rate Generator Clock Source:
0 = Connects the internal PSCLK signal to the SSIO baud-rate
generator.
1 = Connects the internal SERCLK signal to the SSIO baud-rate
generator.
SIO1 Baud-rate Generator Clock Source:
0 = Connects the COMCLK pin to the SIO1 baud-rate generator.
1 = Connects the internal SERCLK signal to the SIO1 baud-rate
generator.
SIO0 Baud-rate Generator Clock Source:
0 = Connects the COMCLK pin to the SIO0 baud-rate generator.
1 = Connects the internal SERCLK signal to the SIO0 baud-rate
generator.
SYSTEM REGISTER QUICK REFERENCE
Expanded Addr:
F836H
ISA Addr:
—
Reset State:
00H
—
SSBSRC
S1BSRC
Function
0
S0BSRC
D-57