參數(shù)資料
型號: CAP1014-1-EZK
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, QCC32
封裝: 5 X 5 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-32
文件頁數(shù): 10/73頁
文件大小: 945K
代理商: CAP1014-1-EZK
Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
Revision 1.64 (01-15-09)
18
SMSC CAP1014
DATASHEET
3.2.5
SMBus Send Byte
The Send Byte protocol is used to set the internal address register pointer to the correct address
location. No data is transferred during the Send Byte protocol as shown in Table 3.6.
3.2.6
SMBus Receive Byte
The Receive Byte protocol is used to read data from a register when the internal register address
pointer is known to be at the right location (e.g. set via Send Byte). This is used for consecutive reads
of the same register as shown in Table 3.7.
Table 3.5 Block Read Protocol
START
CLIENT
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
START
CLIENT
ADDRESS
RD
ACK
REGISTER
DATA
1->0
0101_000
0
XXh
0
1 ->0
0101_000
1
0
XXh
ACK
REGISTER
DATA
ACK
REGISTER
DATA
ACK
REGISTER
DATA
ACK
. . .
REGISTER
DATA
NACK
STOP
0
XXh
0
XXh
0
XXh
0
. . .
XXh
1
0 -> 1
Table 3.6 Send Byte Protocol
START
CLIENT
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
STOP
1 -> 0
0101_000
0
XXh
0
0 -> 1
Table 3.7 Receive Byte Protocol
START
CLIENT
ADDRESS
RD
ACK
REGISTER DATA
NACK
STOP
1 -> 0
0101_000
1
0
XXh
1
0 -> 1
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