IDT CPS-1848, Руководство пользователя

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7. I2C Interface > Slave Mode
CPS-1848 User Manual 181 June 2, 2014
Formal Status This document is confidential and is subject to an NDA.
Integrated Device Technology
Figure 38: Write Protocol with 10-bit Slave Address (ADS is 1)
Figure 39: Read Protocol with 10-bit Slave Address (ADS is 1)
Figure 40: Write Protocol with 7-bit Slave Address (ADS is 0)
54 63 72
27 36
82
45
A 0
AC
K R/
W
0
S
ST
A
R
T
9
R=1 | W=0
Device
Address [9:8]
SLAVE ADDR A
AC
K
1 1 1 1 0 S A
Device
Address [7:0]
18
Memory
Address [23:18]
Memory
Address [17:10]
Memory
Address [9:2]
DATA A
AC
K
A
AC
K
DATA DATA A
AC
K
DATA A
AC
K
A
AC
K
DATA DATA A
AC
K
DATA
_
A P
ST
O
P
Input Data
[31:24]
Input Data
[23:16]
Input Data
[15:8]
Input Data
[7:0]
A
AC
K
73 82 92 55 64
A 1
ACK R/
W
R=1 | W=0
Device
Address [9:8]
1 1 1 1 0 S A Sr
re
pe
at
e
d
ST
ART
DATA A
ACK
A
ACK
DATA DATA A
ACK
DATA
_
A P
ST
OP
Output Data
[31:24]
Output Data
[23:16]
Output Data
[15:8]
Output Data
[7:0]
27 36 45
A 0
AC
K
R/
W
0
S
ST
A
R
T
9
R=1 | W=0
Device
Address [9:8]
SLAVE ADDR A
AC
K
1 1 1 1 0 S A
Device
Address [7:0]
18
Memory
Address [23:18]
Memory
Address [17:10]
Memory
Address [9:2]
DATA A
AC
K
A
AC
K
DATA DATA A
AC
K
NA
CK
_
A
Memory
Address [23:18]
Memory
Address [17:10]
Memory
Address [9:2]
45 54 63
27 36
73
18
SLAVE ADDR A 0
AC
K
R/W
0
S
STA
R
T
9
R=1 | W=0
Device
Address [6:0]
DATA A
AC
K
A
AC
K
DATA DATA A
AC
K
DATA A
AC
K
A
AC
K
DATA DATA A
AC
K
DATA
_
A
P
ST
O
P
Input Data
[31:24]
Input Data
[23:16]
Input Data
[15:8]
Input Data
[7:0]
A
AC
K