11.9.1.5Data Field

11-81

 

11.9.1.6CRC Field

11-81

 

11.9.1.7Baud Rate Generation

11-81

 

11.9.1.8Receive Operation

11-82

 

11.9.1.9Transmit Operation

11-83

 

11.9.1.10Simultaneous Use of the UART and SDLC

11-83

 

11.9.1.11Transmit and Receive FIFOs

11-84

 

11.9.1.12CPU and DMA Register Access Sizes

11-84

11.9.2

SDLC Register Definitions

11-84

11.9.3 SDLC Control Register 0

11-85

 

11.9.3.1SDLC/UART Select (SUS)

11-85

 

11.9.3.2Single/Double Flag Select (SDF)

11-85

 

11.9.3.3Loopback Mode (LBM)

11-85

 

11.9.3.4Bit Modulation Select (BMS)

11-86

 

11.9.3.5Sample Clock Enable (SCE)

11-86

 

11.9.3.6Sample Clock Direction (SCD)

11-86

 

11.9.3.7Receive Clock Edge Select (RCE)

11-87

 

11.9.3.8Transmit Clock Edge Select (TCE)

11-87

11.9.4 SDLC Control Register 1

11-88

 

11.9.4.1Abort After Frame (AAF)

11-88

 

11.9.4.2Transmit Enable (TXE)

11-89

 

11.9.4.3Receive Enable (RXE)

11-89

 

11.9.4.4Receive FIFO Interrupt Enable (RIE)

11-89

 

11.9.4.5Transmit FIFO Interrupt Enable (TIE)

11-89

 

11.9.4.6Address Match Enable (AME)

11-90

 

11.9.4.7Transmit FIFO Underrun Select (TUS)

11-90

 

11.9.4.8Receiver Abort Interrupt Enable(RAE)

11-90

11.9.5 SDLC Control Register 2

11-92

 

11.9.5.1Address Match Value (AMV)

11-92

11.9.6 SDLC Control Registers 3 and 4

11-93

 

11.9.6.1Baud Rate Divisor (BRD)

11-93

11.9.7

SDLC Data Register

11-94

11.9.8 SDLC Status Register 0

11-96

 

11.9.8.1End/Error in FIFO Status (EIF)

 

 

(read-only, nonmaskable interrupt)

11-96

 

11.9.8.2Transmit Underrun Status (TUR)

 

 

(read/write, maskable interrupt)

11-96

 

11.9.8.3Receiver Abort Status (RAB)

 

 

(read/write, maskable interrupt)

11-96

 

11.9.8.4Transmit FIFO Service Request Flag (TFS)

 

 

(read-only, maskable interrupt)

11-97

 

11.9.8.5Receive FIFO Service Request Flag (RFS)

 

 

(read-only, maskable interrupt)

11-97

11.9.9 SDLC Status Register 1

11-99

 

11.9.9.1Receiver Synchronized Flag (RSY)

 

 

(read-only, noninterruptible)

11-99

 

11.9.9.2Transmitter Busy Flag (TBY)

 

 

(read-only, noninterruptible)

11-99

 

11.9.9.3Receive FIFO Not Empty Flag (RNE)

 

 

(read-only, noninterruptible)

11-99

 

11.9.9.4Transmit FIFO Not Full Flag (TNF)

 

 

(read-only, noninterruptible)

11-99

x

SA-1100 Developer’s Manual

Page 10
Image 10
Intel SA-1100 manual 11-81