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Synchronous Serial Interface (SSI)
Freescale Semiconductor
24-37
Figure 24-30. Network Mode Timing - Continuous Clock
24.4.1.3
Gated Clock Mode
Gated clock mode often connects to SPI-type interfaces on microcontroller units (MCUs) or external
peripheral devices. In gated clock mode, presence of the clock indicates that valid data is on the SSI_TXD
or SSI_RXD signals. For this reason, no frame sync is needed in this mode. After transmission of data
completes, the clock is pulled to the inactive state. Gated clocks are allowed for the transmit and receive
TX D
A
T
A
TD
E
TU
E
RX D
A
T
A
RDR
RO
E
0x
5E
0x5E
0x5E
0xD6
0xD6
0x55
0x5E
0x55
0xD6
0x5E
0x3
0x7B
0x7B
ZZ
ZZ
0xD6
ZZ
0x7B
SSI_BCLK
SSI_TXD
SSI_RXD
SSI_FS
S
SI_TMASK
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...