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Table 512. intcfg register design worksheet, Table 513. siocfg register design worksheet – Intel 386 User Manual

Page 110

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5-37

DEVICE CONFIGURATION

Table 5-12. INTCFG Register Design Worksheet

Table 5-13. SIOCFG Register Design Worksheet

Bit #

INTCFG

Value

7

0 = CAS2:0 disabled to pins

1 = CAS2:0 enabled from pins

6

0 = SIOINT1 connected to master IR3

1 = P3.1 connected to IR3

5

0 = SIOINT0 connected to master IR4

1 = P3.0 connected to IR4

4

0 = DMAINT connected to slave IR4. INT6 connected to slave IR5.

1 = INT6 connected to slave IR4. DMAINT connected to slave IR5.

3

0 = VSS connected to slave IR6

1 = INT7 connected to slave IR6

2

0 = V

SS

connected to slave IR5

1 = INT6 connected to slave IR5

1

0 = SSIO Interrupt to slave IR1

1 = INT5 connected to slave IR1

0

0 = VSS connected to slave IR0

1 = INT4 connected to slave IR0

SIOCFG

7

0 = SIO1 modem sigs. conn. to pin muxes

1 = SIO1 modem signals internal

6

0 = SIO0 modem sigs. conn. to pin muxes

1 = SIO0 modem signals internal

5–3

Reserved

2

0 = PSCLK connected to SSIO BLKIN

1 = SERCLK connected to SSIO BCLKIN

1

0 = COMCLK connected to SIO1 BCLKIN

1 = SERCLK connected to SIO1 BCLKIN

0

0 = COMCLK connected to SIO0 BCLKIN

1 = SERCLK connected to SIO0 BCLKIN