AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 331
AT91SAM7S32-AI
Manufacturer Part Number
AT91SAM7S32-AI
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91SAM7S32-AI.pdf
(446 pages)
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• START: Transmit Start Selection
• STTDLY: Transmit Start Delay
If STTDLY is not 0, a delay of STTDLY clock cycles is inserted between the start event and the actual start of transmission
of data. When the Transmitter is programmed to start synchronously with the Receiver, the delay is also applied.
Please Note: STTDLY must be set carefully. If STTDLY is too short in respect to TAG (Transmit Sync Data) emission, data
is emitted instead of the end of TAG.
• PERIOD: Transmit Period Divider Selection
This field selects the divider to apply to the selected Transmit Clock to generate a new Frame Sync Signal. If 0, no period
signal is generated. If not 0, a period signal is generated at each 2 x (PERIOD+1) Transmit Clock.
6071A–ATARM–28-Oct-04
START
0x8-0xF
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
Transmit Start
Continuous, as soon as a word is written in the SSC_THR Register (if Transmit is enabled) and
immediately after the end of transfer of the previous data.
Receive Start
Detection of a low level on TF signal
Detection of a high level on TF signal
Detection of a falling edge on TF signal
Detection of a rising edge on TF signal
Detection of any level change on TF signal
Detection of any edge on TF signal
Reserved
AT91SAM7S32 Preliminary
331
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