Freescale Semiconductor DSP56364 Manual de usuario Pagina 103

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 184
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 102
ESAI Programming Model
DSP56364 24-Bit Digital Signal Processor Users Manual, Rev. 2
Freescale Semiconductor 6-39
Figure 6-13 ESAI Data Path Programming Model ([R/T]SHFD=0)
SDI
23 16 15 8 7 0
707070
RECEIVE HIGH BYTE RECEIVE MIDDLE BYTE RECEIVE LOW BYTE
ESAI RECEIVE DATA REGISTER
(READ ONLY)
SERIAL
RECEIVE
SHIFT
REGISTER
23 16 15 8 7 0
707070
RECEIVE HIGH BYTE RECEIVE MIDDLE BYTE RECEIVE LOW BYTE
24 BIT
RSWS4-
RSWS0
NOTES:
1. Data is received MSB first if RSHFD=0.
2. 24-bit fractional format (ALC=0).
3. 32-bit mode is not shown.
16 BIT
12 BIT
8 BIT
(a) Receive Registers
SDO
23 16 15 8 7 0
707070
TRANSMIT HIGH BYTE TRANSMIT MIDDLE BYTE TRANSMIT LOW BYTE
ESAI TRANSMIT DATA
REGISTER
(WRITE ONLY)
ESAI TRANSMIT
SHIFT REGISTER
23 16 15 8 7 0
707070
TRANSMIT HIGH BYTE TRANSMIT MIDDLE BYTE TRANSMIT LOW BYTE
NOTES:
1. Data is sent MSB first if TSHFD=0.
2. 24-bit fractional format (ALC=0).
3. 32-bit mode is not shown.
4. Data word is left-aligned (TWA=0,PADC=0).
(b) Transmit Registers
24-BIT DATA
00
16-BIT DATA
12-BIT DATA
8-BIT DATA
LSB
LSB
LSB
LSBMSB
MSB
MSB
MSB
LEAST SIGNIFICANT
ZERO FILL
00
20-BIT DATA
LSB
MSB
20 BIT
24-BIT DATA
**
16-BIT DATA
12-BIT DATA
8-BIT DATA
LSB
LSB
LSB
LSBMSB
MSB
MSB
MSB
* - LEAST SIGNIFICANT
BIT FILL
**
20-BIT DATA
LSB
MSB
Vista de pagina 102
1 2 ... 98 99 100 101 102 103 104 105 106 107 108 ... 183 184

Comentarios a estos manuales

Sin comentarios