Datasheet

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SBAS291C − AUGUST 2003 − REVISED DECEMBER 2004
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26
CS
CDIN
CCLK
Keep CS = 0 for Auto−Increment Operation
byte 0 byte 1 byte 2 byte 3
byte N
R/W INC 1 0 A3 A2 A1 A0
Auto−Increment Control: Set to 1 for Auto−Increment Operation
Read/WriteControl: 0 = Write
1=Read
MSB LSB
Control Byte Definition (Byte 0)
Register DataControl Byte
CDOUT
High Impedance
byte 1
byte 2 byte 3
byte N
Register Data
Register Address
Figure 17. Auto-Increment Write or Read Operation
High Impedance (Hi Z)
Hi Z
CCLK
CDIN
CDOUT
MSB
MSB
LSB
t
DO
t
DS
t
DH
t
CH
t
CSZ
PARAMETER DESCRIPTION MIN MAX UNIT
CDIN Data Setup Time
5
2
2
5
5
ns
CDINDataHoldTime ns
Hold Time ns
CDOUT Data Delay Time ns
High to CDOUT Hi Z
t
DS
t
DH
t
CH
t
DO
t
CSZ
ns
CS
CS
CS
Figure 18. SPI Port Timing