Setup Register 1 (Sr1) - Texas Instruments OMAP5910 Technical Reference Manual

Table 7–29. Control and Status Register (CSR) (Continued)
Bit Name
11–10 INDEX
9–5 NB_BITS_WR
4–0 NB_BITS_RD
Table 7–30. Setup Register 1 (SR1)
Bit Name
11–6 Reserved
5 CS0_CHK
Value Function
Index of the external device
00 CS0
01 Reserved
10 Reserved
11 CS3
Number of bits to transmit
Number of bits to receive
This register sets up the serial interface for the first and the second external
components.
Value Function
Before activating a write process, checks if external
device is ready.
0 No check is done and the write process is immediately
executed.
1 If DI signal is low, the interface considers the external
component busy; if DI is high, the interface considers
that the first external component is ready and starts the
write process.
Used when CS0 is selected.
MicroWire Interface
Undefined
Undefined
Undefined
MPU Public Peripherals
Reset
Value
Reset
Value
Undefined
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