X9523 Datasheet, PDF (20/30 Pages) Intersil Corporation – Laser Diode Control for Fiber Optic Modules

X9523
Figure 28. V_TRIPX Programming Timing Diagram (x = 1,2,3).
V Vcc, V2, V3
V_TRIPx
t_TSU
V_P
WP
SCL
SDA
t_VPS
t_THD
t_wc
00h
NOTE : V1/Vcc must be greater than V2, V3 when programming.
t_VPO
t_VPH
Figure 29. DCP “Wiper Position” Timing
Rwx (x = 0,1,2)
R_wx(n)
R_{wx(n + 1)}
R_{wx(n - 1)}
t_wr
n = tap position
SCL
Time
SDA
S ^{1 0 1 0 1 1 1 0} A WT 0 0 0 0 0 P1 P0 A ^{D7 D6 D5 D4 D3 D2 D1 D0} A S
T
C
C
CT
A
K
K
KO
R
T
SLAVE ADDRESS BYTE
INSTRUCTION BYTE
DATA BYTE
P
20
FN8209.0
March 10, 2005