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ESAI Programming Model
DSP56364 24-Bit Digital Signal Processor Users Manual, Rev. 2
6-38 Freescale Semiconductor
6.3.6.14 SAISR Transmit Odd-Data Register Empty (TODE) - Bit 17
When set, TODE indicates that the enabled transmitter data registers became empty at the beginning of an
odd time slot. Odd time slots are all odd-numbered slots (1, 3, 5, etc.). Time slots are numbered from zero
to N-1, where N is the number of time slots in the frame. This flag is set when the contents of the transmit
data register of all the enabled transmitters are transferred to the transmit shift registers; it is also set for a
TSR disabled time slot period in network mode (as if data were being transmitted after the TSR was
written). When set, TODE indicates that data should be written to all the TX registers of the enabled
transmitters or to the time slot register (TSR). TODE is cleared when the DSP writes to all the transmit
data registers of the enabled transmitters, or when the DSP writes to the TSR to disable transmission of the
next time slot. If TIE is set, an ESAI transmit data interrupt request is issued when TODE is set. Hardware,
software, ESAI individual, and STOP reset clear TODE.
- Processor 1
- Contents 3
- 3 Memory Configuration 4
- 4 Core Configuration 4
- Freescale Semiconductor v 5
- Freescale Semiconductor vii 7
- BookTitle, Rev. # 10
- List of Figures 11
- List of Tables 13
- Freescale Semiconductor xv 15
- Manual Conventions 16
- Freescale Semiconductor xvii 17
- 1 Overview 19
- 1.2 Features 20
- Audio Processor Architecture 21
- Freescale Semiconductor 1-3 21
- 1.5.1 Data ALU 22
- 1.5.1.1 Data ALU Registers 23
- 1.5.4 Internal Buses 24
- Freescale Semiconductor 1-7 25
- 1.6.3 Bootstrap ROM 26
- 1.6.1 Reserved Memory Spaces 26
- 1.6.5 External Memory Support 27
- 1.8 Status Register (SR) 28
- 2.1 Signal Groupings 29
- DSP56364 30
- 2.2 Power 31
- 2.3 Ground 31
- 2.5.1 External Address Bus 32
- 2.5.2 External Data Bus 33
- 2.5.3 External Bus Control 33
- After RESET 34
- 2.7 Serial Host Interface 35
- 2.9 JTAG/OnCE Interface 41
- 2.10 GPIO Signals 42
- 3.1.1 Program Memory Space 43
- 3.1.2 Data Memory Spaces 44
- 3.1.2.2 X Data RAM 45
- 3.1.2.3 Y Data Memory Space 45
- 3.1.2.4 Y Data RAM 45
- 3.3.1 RAM Locations 46
- 3.3.2 ROM Locations 46
- Internal Memory Configuration 47
- Freescale Semiconductor 3-5 47
- 3.4 Memory Maps 48
- Memory Maps 49
- Freescale Semiconductor 3-7 49
- 3.5 External Memory Support 50
- 3.6 Internal I/O Memory Map 50
- 4.2.1 Mode C (MC) - Bit 2 52
- 4.3 Operating Modes 53
- 4.4 Bootstrap Program 54
- Interrupt Priority Registers 56
- 4-6 Freescale Semiconductor 56
- 4.6 DMA Request Sources 57
- 4.7 PLL and Clock Generator 57
- 5.1 Introduction 61
- 5.2 GPIO Programming Model 61
- GPIO Programming Model 64
- 5-4 Freescale Semiconductor 64
- 6.1 Introduction 65
- Introduction 66
- 6-2 Freescale Semiconductor 66
- ESAI Data and Control Pins 67
- Freescale Semiconductor 6-3 67
- 6-4 Freescale Semiconductor 68
- 6.3 ESAI Programming Model 71
- Figure 6-2 TCCR Register 72
- Freescale Semiconductor 6-9 73
- 6-10 Freescale Semiconductor 74
- 6-12 Freescale Semiconductor 76
- Figure 6-5 TCR Register 77
- 6-14 Freescale Semiconductor 78
- Freescale Semiconductor 6-15 79
- Normal Mode 81
- Network Mode 81
- Figure 6-14 82
- 6-20 Freescale Semiconductor 84
- Freescale Semiconductor 6-21 85
- 6-22 Freescale Semiconductor 86
- Figure 6-8 RCCR Register 87
- Figure 6-9 RCR Register 91
- 6-28 Freescale Semiconductor 92
- Freescale Semiconductor 6-31 95
- Figure 6-10 SAICR Register 96
- Freescale Semiconductor 6-33 97
- 6-34 Freescale Semiconductor 98
- Figure 6-12 SAISR Register 99
- ESAI Programming Model 100
- 6-36 Freescale Semiconductor 100
- Freescale Semiconductor 6-37 101
- 6-38 Freescale Semiconductor 102
- (a) Receive Registers 103
- (b) Transmit Registers 103
- Freescale Semiconductor 6-41 105
- Figure 6-15 TSMA Register 106
- Figure 6-16 TSMB Register 106
- Figure 6-17 RSMA Register 107
- Figure 6-18 RSMB Register 107
- 6.4.1 ESAI After Reset 108
- 6.4.2 ESAI Initialization 108
- 6.4.3 ESAI Interrupt Requests 109
- Operating Modes 110
- 6-46 Freescale Semiconductor 110
- 6.4.4.3 Frame Sync Selection 111
- 6.4.5 Serial I/O Flags 112
- Figure 6-19 PCRC Register 113
- Figure 6-20 PRRC Register 113
- Figure 6-21 PDRC Register 114
- ESAI Initialization Examples 115
- Freescale Semiconductor 6-51 115
- 6-52 Freescale Semiconductor 116
- 7 Serial Host Interface 117
- 7-2 Freescale Semiconductor 118
- 7.3 SHI Clock Generator 119
- 7-4 Freescale Semiconductor 120
- 7-6 Freescale Semiconductor 122
- 7.4.4.2 HSAR I 123
- 7-8 Freescale Semiconductor 124
- Freescale Semiconductor 7-9 125
- Table 7-4 SHI Data Size 127
- Freescale Semiconductor 7-15 131
- 7.5 SPI Bus Characteristics 132
- 7.6.1 Overview 133
- C Bus Characteristics 134
- 7-18 Freescale Semiconductor 134
- C Data Transfer Formats 135
- 7.7.1 SPI Slave Mode 136
- 7.7.2 SPI Master Mode 137
- C Slave Mode 137
- 7.7.3.1 Receive Data in I 138
- C Master Mode 139
- 7.7.4.1 Receive Data in I 140
- 7.7.4.2 Transmit Data In I 141
- 7-26 Freescale Semiconductor 142
- Appendix A Bootstrap ROM 143
- A-2 Freescale Semiconductor 144
- Freescale Semiconductor A-3 145
- A-4 Freescale Semiconductor 146
- Freescale Semiconductor A-5 147
- A-6 Freescale Semiconductor 148
- Freescale Semiconductor A-7 149
- A-8 Freescale Semiconductor 150
- Appendix B BDSL File 151
- B-2 Freescale Semiconductor 152
- Freescale Semiconductor B-3 153
- B-4 Freescale Semiconductor 154
- Freescale Semiconductor B-5 155
- B-6 Freescale Semiconductor 156
- C.1.1 Peripheral Addresses 157
- C.1.2 Interrupt Addresses 157
- C.1.3 Interrupt Priorities 157
- Programmer’s Reference 158
- C.2 Programming Sheets 164
- Central Processor 165
- =Reserved, program as 1 166
- CENTRAL PROCESSOR 167
- C-12 Freescale Semiconductor 168
- Bits XTLR and 169
- C-14 Freescale Semiconductor 170
- SHI Host Receive 171
- C-16 Freescale Semiconductor 172
- X: $FFFFB6 Reset: $000000 173
- X: $FFFFB5 Reset: $000000 174
- X: $FFFFB8 Reset: $000000 175
- X: $FFFFB7 Reset: $000000 176
- X: $FFFFB4 Reset: $000000 177
- SAISR - ESAI Status Register 178
- X: $FFFFB3 Reset $000000 178
- Freescale Semiconductor C-23 179
- C-24 Freescale Semiconductor 180
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