Sci Data Word Formats (Ssftd = 1), 1 - Motorola DSP56303 User Manual

SCI Programming Model
Mode 0
0 0
WDS2 WDS1 WDS0
TX
(SSFTD = 1)
Mode 2
0 1
WDS2 WDS1 WDS0
TX Start
(SSFTD = 1)
Mode 4
1 0
WDS2 WDS1 WDS0
TX Start
(SSFTD = 1)
Mode 5
1 0
WDS2 WDS1 WDS0
TX Start
(SSFTD = 1)
Mode 6
1 1
WDS2 WDS1 WDS0
TX Start
(SSFTD = 1)
Data Type: 1 = Address Byte
0 = Data Byte
Figure 8-1. SCI Data Word Formats (SSFTD = 1), 1
8-10
0
8-bit Synchronous Data (Shift Register Mode)
D7 D6 D5
One Byte From Shift Register
0
10-bit Asynchronous (1 Start, 8 Data, 1 Stop)
D7 D6 D5
0
11-bit Asynchronous (1 Start, 8 Data, 1 Even Parity, 1 Stop)
D7 D6 D5
1 11-bit Asynchronous (1 Start, 8 Data, 1 Odd Parity, 1 Stop)
D7 D6 D5
0 11-bit Asynchronous Multidrop (1 Start, 8 Data, 1 Data Type, 1 Stop)
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
DSP56303 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