Rainbow-electronics W90P710CDG Manual de usuario descargar pdf (Pagina 483)

100

101

W90P710CD/W90P710CDG

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mw_ss_o

mw_sclk_o

mw_so_o

mw_si_i

CNTRL[LSB]=1, CNTRL[Tx_NUM]=0x0, CNTRL[Tx_BIT_LEN]=0x08,

CNTRL[Tx_NEG]=0, CNTRL[Rx_NEG]=1, SSR[SS_LVL]=0

MSB

(Tx[7])

LSB

(Tx[0])

MSB

(Rx[7])

LSB

(Rx[0])

Tx[1] Tx[2] Tx[3] Tx[4] Tx[5] Tx[6]

Rx[1] Rx[2] Rx[3] Rx[4] Rx[5] Rx[6]

Fig. 6.19.1.2 Alternate Phase SCLK Clock Timing

6.19.2 USI Registers Map

R: read only, W: write only, R/W: both read and write

USI_CNTRL 0xFFF8_6200 R/W Control and Status Register 0x0000_0004

USI_DIVIDER 0xFFF8_6204 R/W Clock Divider Register 0x0000_0000

USI_SSR 0xFFF8_6208 R/W Slave Select Register 0x0000_0000

Reserved 0xFFF8_620C N/A Reserved N/A

USI_Rx0 0xFFF8_6210 R Data Receive Register 0 0x0000_0000

USI_Rx1 0xFFF8_6214 R Data Receive Register 1 0x0000_0000

USI_Rx2 0xFFF8_6218 R Data Receive Register 2 0x0000_0000

USI_Rx3 0xFFF8_621C R Data Receive Register 3 0x0000_0000

USI_Tx0 0xFFF8_6210 W Data Transmit Register 0 0x0000_0000

USI_Tx1 0xFFF8_6214 W Data Transmit Register 1 0x0000_0000

USI_Tx2 0xFFF8_6218 W Data Transmit Register 2 0x0000_0000

USI_Tx3 0xFFF8_621C W Data Transmit Register 3 0x0000_0000

NOTE 1: When software programs CNTRL, the GO_BUSY bit should be written last.

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