AK8136A Datasheet, PDF (11/18 Pages) Asahi Kasei Microsystems – Low Power Multiclock Generator with XO

AK8136A
Random read
Random read operation is described below. It is necessary to operate “dummy write” before sending
read command. Dummy write is to send the address to read.
Random read
SDA 1 0 1 0 1 1 0 0
S Device Device R A
T _{Address Address} / C
A
R
-1
-2 ^{W K}
T
Dummy Write
Address
(MSB First)
10101101
AS
CT
KA
R
T
Device
Address
-1
Device R A
Address ^{/ C}
-2 ^{W K}
Data
(MSB First)
NS
OT
A
C
O
P
K
Sequential read
Sequential read operation is described below. It is possible to read next address sequentially by
sending ACK instead of stop condition.
Sequential read
SDA ････ 1 1 0 1
････
Device R A Data (MSB First) A Data (MSB First) A
Address ^{/ C}
-2 ^{W K}
(Address)
C
K
(Address+1)
C
K
A Data (MSB First) N S
C
K
(Address+n)
OT
A
C
O
P
K
Change data
Change data operation is described below. It is available when SCL is Low.
Change data
SCL
SDA
DATA STABLE
DATA
CHANGE
Start / Stop timing
Start / Stop timing is described below. The sequence is started when SDA goes from high to low
during SCL is high. The sequence is stopped when SDA goes from low to high during SCL is high.
Start / Stop timing
SCL
SDA
START
STOP
MS1108-E-04
- 11 -
Dec-2013