Sci Data Word Formats (Ssftd = 0), 2 - Motorola DSP56303 User Manual

Mode 0
0 0 0
WDS2 WDS1 WDS0
TX
(SSFTD = 0)
Mode 2
0 1 0
WDS2 WDS1 WDS0
TX Start
(SSFTD = 0) Bit
Mode 4
1 0 0
WDS2 WDS1 WDS0
TX Start
(SSFTD = 0) Bit
Mode 5
1 0 1
WDS2 WDS1 WDS0
TX Start
(SSFTD = 0) Bit
Mode 6
1 1 0
WDS2 WDS1 WDS0
TX Start
(SSFTD = 0) Bit
Data Type: 1 = Address Byte
0 = Data Byte
Figure 8-2. SCI Data Word Formats (SSFTD = 0), 2
8-bit Synchronous Data (Shift Register Mode)
D0 D1 D2 D3
One Byte From Shift Register
10-bit Asynchronous (1 Start, 8 Data, 1 Stop)
D0 D1 D2 D3
11-bit Asynchronous (1 Start, 8 Data, 1 Even Parity, 1 Stop)
D0 D1 D2 D3
11-bit Asynchronous (1 Start, 8 Data, 1 Odd Parity, 1 Stop)
D0 D1 D2 D3
11-bit Asynchronous Multidrop (1 Start, 8 Data, 1 Data Type, 1 Stop)
D0 D1 D2 D3
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.
Serial Communication Interface (SCI)
D4 D5 D6 D7
D7 or
D4 D5 D6
Data
Type
D7 or
D4 D5 D6
Data
Type
D7 or
D4 D5 D6 Data
Type
D4 D5 D6 D7
SCI Programming Model
Stop
Bit
Even Stop
Parity Bit
Odd Stop
Parity Bit
Stop
Data
Bit
Type
8-11