Table 57. example intcfg configuration register, Table 58. example siocfg configuration register – Intel 386 User Manual
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5-33
DEVICE CONFIGURATION
Table 5-7. Example INTCFG Configuration Register
Table 5-8. Example SIOCFG Configuration Register
Bit #
INTCFG
Value
7
0 = CAS2:0 disabled to pins
0
1 = CAS2:0 enabled from pins
6
0 = SIOINT1 connected to master IR3
0
1 = P3.1 connected to IR3
5
0 = SIOINT0 connected to master IR4
0
1 = P3.0 connected to IR4
4
0 = DMAINT connected to slave IR4. INT6 connected to slave IR5.
1
1 = INT6 connected to slave IR4. DMAINT connected to slave IR5.
3
0 = VSS connected to slave IR6
1
1 = INT7 connected to slave IR6
2
0 = V
SS
connected to slave IR5
1
1 = INT6 connected to slave IR5
1
0 = SSIO Interrupt to slave IR1
1
1 = INT5 connected to slave IR1
0
0 = VSS connected to slave IR0
1
1 = INT4 connected to slave IR0
SIOCFG
7
0 = SIO1 modem sigs. conn. to pin muxes
1
1 = SIO1 modem signals internal
6
0 = SIO0 modem sigs. conn. to pin muxes
0
1 = SIO0 modem signals internal
5–3
Reserved
R
2
0 = PSCLK connected to SSIO BLKIN
1
1 = SERCLK connected to SSIO BCLKIN
1
0 = COMCLK connected to SIO1 BCLKIN
0
1 = SERCLK connected to SIO1 BCLKIN
0
0 = COMCLK connected to SIO0 BCLKIN
0
1 = SERCLK connected to SIO0 BCLKIN