Texas Instruments TMS320C2XX - Manual (Page 447)

Register Descriptions
A-12
Synchronous Serial Port Control Register (SSPCR) — I/O Address FFF1h
ББ
ББ
БББББ
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15
ББББ
ББББ
14
ББББББ
ББББББ
13
ББББ
ББББ
12
ББББ
ББББ
11
ББББ
ББББ
10
ББББ
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9
ББББ
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8
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0
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0
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0
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0
ББББ
ББББ
0
ББББ
ББББ
0
ББББ
ББББ
0
ББББ
ББББ
0
ББ
ББ
FREE SOFT TCOMP RFNE FT1 FT0 FR1 FR0
0
1
0
1 Immediate stop
Stop after completion of word
Free run
Free run 0
0
1
1
0
1 Transmit buffer empty.
Transmit buffer not empty.
0
1 Receive buffer empty.
Receive buffer holds data.
0
1
0
1 Transmit buffer can accept 1 or more words.
Transmit buffer can accept 2 or more words.
Transmit buffer can accept 3 or 4 words.
Transmit buffer empty (can accept 4 words). 0
0
1
1
0
1
0
1 Receive buffer not empty.
Receive buffer holds 2 or more words.
Receive buffer holds 3 or 4 words.
Receive buffer full. 0
0
1
1
Emulation/run mode Generate XINT when . . .
Generate RINT when . . .
R/W R/W
R R
R/W R/W R/W R/W
Transmit FIFO buffer status
Receive FIFO buffer status
ББ
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БББББ
БББББ
7
ББББ
ББББ
6
ББББББ
ББББББ
5
ББББ
ББББ
4
ББББ
ББББ
3
ББББ
ББББ
2
ББББ
ББББ
1
ББББ
ББББ
0
ББ
ББ ББ
ББ
БББББ
БББББ
0
ББББ
ББББ
0
ББББББ
ББББББ
1
ББББ
ББББ
1
ББББ
ББББ
0
ББББ
ББББ
0
ББББ
ББББ
0
ББББ
ББББ
0
ББ
ББ
OVF IN0 XRST RRST TXM MCM FSM DLB
0
1 No overflow condition
Overflow detected in receive buffer
0
1 Level on CLKR pin is low.
Level on CLKR pin is high.
0
1 Transmitter in reset
Transmitter enabled
0
1 Receiver in reset
Receiver enabled
0
1 External frame sync source
Internal frame sync source
0
1 External clock source
Internal clock source
0
1 Continuous mode
Burst mode
0
1 Digital loopback mode disabled
Digital loopback mode enabled
R/W R/W R/W R/W R/W R R R/W
Overflow flag
CLKR pin status
Transmitter reset
Receiver reset
Transmit frame sync source
Transmit clock source
Frame sync mode
Digital loopback mode