參數(shù)資料
型號: DAC757IDGSR
廠商: Texas Instruments, Inc.
英文描述: QUAD, 12-BIT, LOW-POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER
中文描述: 四,12位,低功耗,電壓輸出,I2C接口的數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù): 21/31頁
文件大?。?/td> 783K
代理商: DAC757IDGSR
www.ti.com
SLAVE ADDRESS R/W
A Ctrl <7:1>
A
MS-Byte A
LS-Byte
A P
’0’ (write)
Data Transferred
(2 Bytes + Acknowledge)
PDN-Byte:
PD1
PD2
1
1
1
1
1
1
MSB
LSB
S
PD0
Sr Slave Address
R/W
A
’1’ (read)
’0’ = (Normal Mode)
A
PDN-Byte A
LS-Byte
A P
PD0
Sr Slave Address
R/W
A
MS-Byte A
(DAC7574)
(MASTER)
(MASTER)
’1’ = (Power Down Flag)
Data Transferred
(3 Bytes + Acknowledge)
(DAC7574)
(MASTER)
(MASTER)
(MASTER)
PD1 = Power-Down Bit
PD2 = Power-Down Bit
’1’ (read)
(DAC7574)
(DAC7574)
Slave Address
R/W A Ctrl <7:1>
A
MS-Byte A
LS-Byte
A P
’0’ (write)
Data Transferred
(2 Bytes + Acknowledge)
PD0
Sr
Slave Address
R/W
A
’1’ (read)
’0’ = (Normal Mode)
A
PDN-Byte A
LS-Byte
A P
PD0
Sr
Slave Address
R/W
A
MS-Byte A
(DAC7574)
(DAC7574)
(DAC7574)
(MASTER)
(MASTER)
’1’ = (Power -Down Flag)
Data Transferred
(3 Bytes + Acknowledge)
(DAC7574)
(MASTER)
(MASTER)
(MASTER)
Sr
HS-Mode
A
S
F/S-Mode
’1’ (read)
HS-Master Code
DAC7574
SLAS375–JUNE 2003
DAC7574 as a Slave Transmitter - Standard and Fast Mode
Figure 37 shows the standard and fast mode master transmitter addressing a DAC7574
Slave Transmitter
with a
7-bit address.
Figure 37. Standard and Fast Mode: Slave Transmitter
DAC7574 as a Slave Transmitter - High-Speed Mode
Figure 38 shows an I
2
C-Master addressing DAC7574 in high-speed mode (with a 7-bit address), as a
Slave
Transmitter
.
Figure 38. High-Speed Mode: Slave Transmitter
21
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