ISL90841 Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
ISL90841
Renesas Electronics
ISL90841 Datasheet PDF : 12 Pages
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ISL90841
SCL
SDA
START
DATA
DATA
DATA
STABLE CHANGE STABLE
STOP
FIGURE 15. VALID DATA CHANGES, START, AND STOP CONDITIONS
SCL FROM
MASTER
1
SDA OUTPUT FROM
TRANSMITTER
8
9
HIGH IMPEDANCE
SDA OUTPUT FROM
RECEIVER
HIGH IMPEDANCE
START
ACK
FIGURE 16. ACKNOWLEDGE RESPONSE FROM RECEIVER
SIGNALS FROM
THE MASTER
WRITE
S
T
A
R
T
IDENTIFICATION
BYTE
ADDRESS
BYTE
S
DATA
T
BYTE
O
P
SIGNAL AT SDA
0 1 0 1 0 A1 A0 0 0 0 0 0 0 0
SIGNALS FROM
THE ISL90841
A
A
A
C
C
C
K
K
K
FIGURE 17. BYTE WRITE SEQUENCE
SIGNALS
FROM THE
MASTER
S
T
A IDENTIFICATION
R
BYTE WITH
T
R/W=0
ADDRESS
BYTE
S
T
A IDENTIFICATION
R BYTE WITH
T
R/W=1
A
A
C
C
K
K
S
T
O
P
SIGNAL AT SDA 0 1 0 1 0 A1 A0 0
000000
A
SIGNALS FROM
C
THE SLAVE
K
0 1 0 1 0 A1 A0 1
A
A
C
C FIRST READ
K
K DATA BYTE
FIGURE 18. READ SEQUENCE
LAST READ
DATA BYTE
FN8094 Rev 1.00
February 8, 2006
Page 10 of 12
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