Datasheet

DS21Q50
21 of 87
Figure 3-1. Serial Port Operation Mode 1
Figure 3-2. Serial Port Operation Mode 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R/W
A0 A1 A2 A3 A4 A5 B
D1 D2 D3 D4 D5 D6
SCLK
SDI
SDO
C
S
(lsb) (msb)
D0
(lsb)
D7
(msb)
ICES = 1 (SAMPLE SDI ON THE FALLING EDGE OF SCLK)
OCES = 1 (UPDATE SDO ON RISING EDGE OF SCLK)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R/W
A0 A1 A2 A3 A4
A5
B
D1 D2 D3 D4 D5 D6
SCLK
SDI
SDO
C
S
(lsb) (msb)
D0
(lsb)
D7
(msb)
ICES = 1 (SAMPLE SDI ON THE FALLING EDGE OF SCLK)
OCES = 0 (UPDATE SDO ON FALLING EDGE OF SCLK)