Waveform Example; Serial Port Control Register Configuration (Dsp_Write(0X1000) => Spcr1) - Texas Instruments OMAP5910 Technical Reference Manual

McBSP3
9.4.4.12 Read From GPI
Figure 9–7. Waveform Example
BCLKX
BFSX
A7 A6 A5 A4 A3 A2 A1 A0
BDR/X
9.4.4.13 Serial Port Control Register Configuration
Table 9–23. Serial Port Control Register Configuration (DSP_Write(0x1000) => SPCR1)
Bit Config Value
15 0b
14–13 00b
12–11 10b
10–8 000b
7 0b
6 0b
5–4 00b
3 0b
2 0b
1 0b
0 0b
9-22
DSP_Read <= PCR; read DR_STAT bit
B7 B6 B5 B4 B3 B2 B1 B0
Section 9.4.4.13 through Section 9.4.4.21 explain the McBSP register setup
for TX master and RX slave with 8-bit data transfer using DMA support.
DSP_Write(0x1000) => SPCR1; set up SPCR1 per below configuration.
Description
Disables digital loopback mode
Right-justify and zero-fill MSBs in DRR
Enables clock stop mode
Reserved
Turns off the DX enabler
Reserved
Set RINT driven by RRDY mode
No synchronization error
RBR is not in overrun condition.
Receiver is not ready.
Disables the serial port receiver and in reset state
2 CLK
C7 C6 C5 C4 C3 C2 C1 C0