Datasheet


SLES071B − MARCH 2003 − REVISED NOVEMBER 2006
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21
High Impedance
When Read Mode is Instructed
A0 D7 D6 D4D5 D3 D2 D1 D0
D7 D6 D4D5 D3 D2 D1 D0
R/W A1A2A3A4A5A6
MS
MC
MDI
MDO
NOTE
:
Bit 15 is used for selection of write or read. Setting R/W = 0 indicates a write, while R/W = 1 indicates a read. Bits 14−8 are used for the register
address. Bits 7–0 are used for register data.
Figure 30. Serial Control Format
t
(MCH)
1.4 V
MS
t
(MSS)
LSB
1.4 V
1.4 V
t
(MCL)
t
(MHH)
t
(MSH)
t
(MCY)
t
(MDH)
t
(MDS)
MC
MDI
50% of V
DD
MDO
t
(MOS)
PARAMETER MIN MAX UNITS
t
(MCY)
MC pulse cycle time 100 ns
t
(MCL)
MC low-level time 40 ns
t
(MCH)
MC high-level time 40 ns
t
(MHH)
MS high-level time 80 ns
t
(MSS)
MS falling edge to MC rising edge 15 ns
t
(MSH)
MS hold time
(1)
15 ns
t
(MDH)
MDI hold time 15 ns
t
(MDS)
MDI setup time 15 ns
t
(MOS)
MC falling edge to MDO stable 30 ns
(1)
MC rising edge for LSB to MS rising edge
Figure 31. Control Interface Timing