Figure 8-5 Sci Data Word Formats (Ssftd=1) - Motorola DSP56305 User Manual

Serial Communication Interface (SCI)
SCI Programming Model
Mode 0
0 0
WDS2 WDS1
TX
(SSFTD = 1)
Mode 2
0 1
WDS2 WDS1
TX Start
(SSFTD = 1) Bit
Mode 4
1 0
WDS2 WDS1
TX Start
(SSFTD = 1) Bit
Mode 5
1 0
WDS2 WDS1
TX Start
(SSFTD = 1) Bit
Mode 6
1 1
WDS2 WDS1
TX Start
(SSFTD = 1) Bit
Data Type: 1 = Address Byte
0 = Data Byte
8-8
0 8-bit Synchronous Data (Shift Register Mode)
WDS0
D7 D6 D5
One Byte From Shift Register
0 10-bit Asynchronous (1 Start, 8 Data, 1 Stop)
WDS0
D7 D6 D5
0
11-bit Asynchronous (1 Start, 8 Data, 1 Even Parity, 1 Stop)
WDS0
D7 D6 D5
1 11-bit Asynchronous (1 Start, 8 Data, 1 Odd Parity, 1 Stop)
WDS0
D7 D6 D5
0 11-bit Asynchronous Multidrop (1 Start, 8 Data, 1 Data Type, 1 Stop)
WDS0
D7 D6 D5
Note: 1. Modes 1, 3, and 7 are reserved.
2. D0 = LSB; D7 = MSB
3. Data is transmitted and received LSB first if SSFTD = 0, or MSB first if SSFTD = 1

Figure 8-5 SCI Data Word Formats (SSFTD=1)

DSP56305 User's Manual
D4 D3 D2 D1
D4 D3 D2 D1
D4 D3 D2 D1
D4 D3 D2 D1
D4 D3 D2 D1
D0
D0 or
Stop
Data
Bit
Type
D0 or
Even Stop
Data
Parity Bit
Type
D0 or
Odd Stop
Data
Parity Bit
Type
Data
Stop
D0
Type
Bit
AA0691b
MOTOROLA