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| 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)： | 9/73頁 |
| 文件大小： | 945K |
| 代理商： | CAP1014-1-EZK |
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Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
SMSC CAP1014
17
Revision 1.64 (01-15-09)
DATASHEET
3.2.1
SMBus Write Byte
The Write Byte is used to write one byte of data to a specific register as shown in Table 3.2.
3.2.2
Block Write
The Block Write is used to write multiple data bytes to a group of contiguous registers as shown in
Table 3.3. It is an extension of the Write Byte Protocol.
APPLICATION NOTE: When using the Block Write protocol, the internal address pointer will be automatically
incremented after every data byte is received. It will wrap from FFh to 00h.
3.2.3
SMBus Read Byte
The Read Byte protocol is used to read one byte of data from the registers as shown in Table 3.4.
3.2.4
Block Read
The Block Read is used to read multiple data bytes from a group of contiguous registers as shown in
Table 3.5. It is an extension of the Read Byte Protocol.
APPLICATION NOTE: When using the Block Read protocol, the internal address pointer will be automatically
incremented after every data byte is received. It will wrap from FFh to 00h.
Table 3.2 Write Byte Protocol
START
CLIENT
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
REGISTER
DATA
ACK
STOP
1 ->0
0101_000
0
XXh
0
XXh
0
0 -> 1
Table 3.3 Block Write Protocol
START
CLIENT
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
REGISTER
DATA
ACK
1 ->0
0101_000
0
XXh
0
XXh
0
REGISTER
DATA
ACK
REGISTER
DATA
ACK
. . .
REGISTER
DATA
ACK
STOP
XXh
0
XXh
0
. . .
XXh
0
0 -> 1
Table 3.4 Read Byte Protocol
START
CLIENT
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
START
CLIENT
ADDRESS
RD
ACK
REGISTER
DATA
NACK
STOP
1->0
0101_000
0
XXh
0
1 ->0
0101_000
1
0
XXh
1
0 -> 1
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| CAP1014-1-EZK-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:Multiple Channel Capacitive Touch Sensor and LED Driver |
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