Mcbsp Registers; Mcbsp And Mcsi Memory And Peripheral Mapping - Texas Instruments OMAP5910 Technical Reference Manual

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McBSP and MCSI Memory and Peripheral Mapping

9.8 McBSP and MCSI Memory and Peripheral Mapping
Table 9–44. McBSP Registers
Name
DRR2(15:0)
DRR1(15:0)
DXR2(15:0)
DXR1(15:0)
SPCR2(15:0)
SPCR1(15:0)
RCR2(15:0)
RCR1(15:0)
XCR2(15:0)
XCR1(15:0)
SRGR2(15:0)
SRGR1(15:0)
MCR2(15:0)
MCR1(15:0)
RCERA(15:0)
RCERB(15:0)
9-56
The base address for each McBSP register map is as follows:
-
McBSP1 (I2S audio):
J
0x08C00 (DSP memory map)
J
E101:1800 (MPU memory map)
-
McBSP2 (modem interface): FFFB:1000 (MPU memory map)
-
McBSP3 (optical interface):
J
0x0B800 (DSP memory map)
J
E101:7000 (MPU memory map)
Table 9–44 shows the 19 registers accessible on each McBSP. Table 9–44
through Table 9–45 describe register bits.
Description
Data receive register 2
Data receive register 1
Data transmit register 2
Data transmit register 1
Serial port control register 2
Serial port control register 1
Receive control register 2
Receive control register 1
Transmit control register 2
Transmit control register 1
Sample rate generator register 2
Sample rate generator register 1
Multichannel register 2
Multichannel register 1
Receive channel enable register partition A
Receive channel enable register partition B
Offset In Bytes
0x00
0x02
0x04
0x06
0x08
0x0A
0x0C
0x0E
0x10
0x12
0x14
0x16
0x18
0x1A
0x1C
0x1E

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