
Synchronous Serial Interface (SSI)
24-16
Freescale Semiconductor
15
RDR1
Receive data ready 1. Only valid in two-channel mode. Indicates new data is available for the processor to read.
14
RDR0
Receive data ready 0. Similar description as RDR1 but pertains to Rx FIFO 0 and it is not necessary to be in
two-channel mode for this bit to be set.
0 No new data for core to read
1 New data for core to read
13
TDE1
Transmit data register empty 1. Only valid in two-channel mode. Indicates that data needs to be written to the SSI.
Table 24-8. SSI_ISR Field Descriptions (continued)
Field
Description
Rx FIFO1
Receive data 1 interrupt
Required conditions
Trigger
Enabled
• SSI_IER[RIE] set
• SSI_IER[RFF1] set
• SSI_ISR[RFF1] sets
Disabled
• SSI_IER[RIE] set
• SSI_IER[RDR1] set
• SSI_RX1 loaded with new value
Rx FIFO1
RDR1 is set when
RDR1 is cleared during
any of the following
Enabled
• Rx FIFO1 loaded
with new value
• Rx FIFO1 is empty
• SSI reset
• POR reset
Disabled
• SSI_RX1 loaded
with new value
• SSI_RX1 is read
• SSI reset
• POR reset
Tx FIFO1
Transmit data 1 interrupt
Required conditions
Trigger
Enabled
• SSI_IER[TIE] set
• SSI_IER[TDE1] set
• SSI_ISR[TDE1] sets
Disabled
• SSI_IER[TIE] set
• SSI_IER[TDE1] set
• SSI_TX1 data transferred to
TXSR
Tx FIFO1
TDE1 is set when
TDE1 is cleared when
any of the following occur
Enabled
• At least one empty slot in Tx
FIFO1
• Tx FIFO1 is full
• SSI reset
• POR reset
Disabled
• SSI_TX1 data transferred to
TXSR
• SSI_TX1 is written
• SSI reset
• POR reset
MCF5329 Reference Manual, Rev 3
Summary of Contents for MCF5329
Page 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...