參數(shù)資料
型號: ST19-RFRDCS
英文描述: ST16-19RFRDCS CHIP SET INTERFACE SPECIFICATION
中文描述: 的ST16 - 19RFRDCS芯片組接口規(guī)范
文件頁數(shù): 9/21頁
文件大小: 146K
代理商: ST19-RFRDCS
3/15
FSD_CHIPSET_B/0104VP2
ST16-19RFRDCS
1.3.3 Write access chronogram
FPGA write access chronogram, for transmission FIFO or control register:
Figure 1
: FPGA write access chronogram
In figure1, two types of access are shown. The first one is a Control register access (Mic_Ctrl_Data = ’1’)
and the second one is a FIFO access (Mic_Ctrl_Data = ’0’).
1.3.4 Read access chronogram
FPGA read access chronogram, for reception FIFO or status register:
Figure 2
FPGA read acces chronogram
In the figure 2, prior to sending data the FPGA takes the Rx_IRQ_EOF line low to indicate to the MCU that
the data can be recuperated.
Data writing
Control register writing
t4
t3
Mic_Ctrl_Data
Mic_RW
Mic_Strb_b
Mic_Data(7:0)
Rx_fifo_empty
Rx_irq_eof
Tx_fifo_empty
Tx_start
t1
t2
Acquisition of the next bytes,
except the last one
Acquisition of the first byte
t6
t4
t3
Mic_Ctrl_Data
Mic_RW
Mic_Strb_b
Mic_Data(7:0)
Rx_fifo_empty
Rx_irq_eof
Tx_fifo_empty
Tx_start
t1
t2
t0
t5
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