Figure 8-1 Sci Control Register (Scr); Figure 8-2 Sci Status Register (Ssr) - Motorola DSP56309 User Manual

Ð SCI Receive Data Registers (SRX) in Figure 8-7 on page 8-19
Ð SCI Transmit Data Registers (STX) in Figure 8-7
Ð SCI Transmit Data Address Register (STXA) in Figure 8-7
The SCI also supports the GPIO functions documented in Section 8ÑGPIO Signals and
Registers on page 8-27. The following paragraphs describe each bit in the programming
model. Beginning on page 8-6, Figure 8-4 shows the formats of data words.
7
WOMS
15
SCKP
23
7
R8
15
23
7
CD7
15
TCM
23
Reserved bit - read as 0 should be written with 0 for future compatibility
MOTOROLA
6 5 4
RWU WAKE SBK
14 13 12
STIR TMIE TIE
22 21 20

Figure 8-1 SCI Control Register (SCR)

6 5 4
FE PE OR
14 13 12
22 21 20

Figure 8-2 SCI Status Register (SSR)

6 5
CD6 CD5 CD4
14 13 12
RCM SCP COD
22 21 20
Figure 8-3 SCI Clock Control Register (SCCR)
DSP56309UM/D
Serial Communication Interface (SCI)
3 2
SSFTD WDS2
11 10
RIE ILIE
19 18
3 2
IDLE RDRF
11 10
19 18
4 3 2
CD3 CD2
11 10
CD11 CD10
19 18
SCI Programming Model
1 0
WDS1 WDS0
9 8
TE RE
17 16
REIE
AA0854
1 0
TDRE TRNE
9 8
17 16
AA0855
1 0
CD1 CD0
9 8
CD9 CD8
17 16
AA0856
8-5