Rainbow Electronics DS2182A - Manual (Page 19)

DS2182A
041995 19/22
SERIAL PORT WRITE AC TIMING DIAGRAM Figure 18
t
CC
ЗЗ
ЗЗ
SCLK
CS
t
SCC
t
CH
t
F
t
R
ЙЙЙ
ЙЙЙ
ЙЙЙ
ЙЙЙ
ЙЙ
ЙЙ
ЙЙ
ЙЙ
ЙЙ
ЙЙ
ЙЙЙ
ЙЙЙ
ЙЙЙЙ
ЙЙЙЙ
t CWH
t CCH
MSB LSB 1
LSB
t DC t CDH
t
CL
t
CD
t CDH
CONTROL BYTE DATA BYTE
SDI
NOTES:
1. Data byte bits must be valid across low clock periods to prevent transients in operating modes.
2. Shaded regions indicate don’t-care states of input.
SERIAL PORT READ 1 AC TIMING DIAGRAM Figure 19
CS
SCLK
SDO
t CDZ
High Z
t
CDV
NOTE:
1. Serial port write must precede a port read to provide address information.