W90N745CD Datasheet, PDF (355/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
6.15.1 USI Timing Diagram
The timing diagram of USI is shown as following.
mw_ss_o
mw_sclk_o
mw_so_o
mw_si_i
MSB
(Tx[7])
Tx[6]
Tx[5]
Tx[4]
Tx[3]
Tx[2]
Tx[1]
LSB
(Tx[0])
MSB
(Rx[7])
Rx[6]
Rx[5]
Rx[4]
Rx[3]
Rx[2]
Rx[1]
LSB
(Rx[0])
CNTRL[LSB]=0, CNTRL[Tx_NUM]=0x0, CNTRL[Tx_BIT_LEN]=0x08,
CNTRL[Tx_NEG]=1, CNTRL[Rx_NEG]=0, SSR[SS_LVL]=0
Figure 6.15.1 USI Timing
mw_ss_o
mw_sclk_o
mw_so_o
mw_si_i
LSB
(Tx[0])
Tx[1]
Tx[2]
Tx[3]
Tx[4]
Tx[5]
Tx[6]
MSB
(Tx[7])
LSB
(Rx[0])
Rx[1]
Rx[2]
Rx[3]
Rx[4]
Rx[5]
Rx[6]
MSB
(Rx[7])
CNTRL[LSB]=1, CNTRL[Tx_NUM]=0x0, CNTRL[Tx_BIT_LEN]=0x08,
CNTRL[Tx_NEG]=0, CNTRL[Rx_NEG]=1, SSR[SS_LVL]=0
Figure 6.15.2 Alternate Phase SCLK Clock Timing
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