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参数资料
| 型号： | TLC320A545C-I |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | SMA (F) TO MCX (F) ADAPTERS |
| 中文描述： | 单信道数据/传真编解码器 |
| 文件页数： | 20/35页 |
| 文件大小： | 174K |
| 代理商： | TLC320A545C-I |
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4–4
Figure 4–4. Secondary Communication DIN and DOUT Data Format
4.4
FS High Mode Secondary Communication Timing
On the rising edge of DT_SCLK, coinciding with the falling edge of FS, D15–D0 is input serially to DT_DIN and
D15–D0 is output serially on DT_DOUT. If a secondary communication request is made, FS goes high again, 128
SCLKs after the beginning of the primary frame, to signal the beginning of the secondary frame one SCLK period later.
See Figure 4–5.
DT_DIN
Data (D0=1)
Register R/W
Data (D0=0)
DT_FS
P
S
P
P
Secondary Communication
Request
No Secondary
Communication Request
128 DT_SCLKs
Figure 4–5. FS Output During Software Secondary Serial Communication Request
(FS High Mode)
4.5
FS Low Mode Secondary Communication Timing
On the falling edge of FS for that channel, D15–D0 is input serially to DT_DIN and D15–D0 is output serially on
DT_DOUT. FS remains low during the data transfer and then returns high. If a secondary communication request is
made, FS goes low 128 SCLKs after the beginning of the primary frame to signal the beginning of the secondary
frame. See Figure 4–6.
Data (D0=1)
Register R/W
Data (D0=0)
P
S
P
Secondary Communication
Request
No Secondary
Communication Request
128 DT_SCLKs
DT_DIN
DT_FS
Figure 4–6. FS Output During Software Secondary Serial Communication Request
(FS Low Mode)
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