Datasheet

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DAC6574 as a Slave Transmitter—Standard and Fast Mode
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 PPD0 Sr Slave Address R/W A MS-Byte A
(DAC6574) (MASTER) (MASTER)
1 = (Power Down Flag)
Data Transferred
(3 Bytes + Acknowledge)
(DAC6574) (MASTER) (MASTER) (MASTER)
PD1 = Power−Down Bit
PD2 = Power−Down Bit
1 (read)
(DAC6574) (DAC6574)
DAC6574 as a Slave Transmitter—High-Speed Mode
Slave Address R/W
A
Ctrl <7:1> A MS-Byte A LS-Byte A P
0 (write)
Data Transferred
(2 Bytes + Acknowledge)
PD0Sr Slave Address R/W A
1 (read)
0 = (Normal Mode)
A PDN-Byte A LS-Byte A PPD0 Sr Slave Address R/W A MS-Byte A
(DAC6574) (DAC6574) (DAC6574) (MASTER) (MASTER)
1 = (Power −Down Flag)
Data Transferred
(3 Bytes + Acknowledge)
(DAC6574) (MASTER) (MASTER) (MASTER)
Sr
HS-Mode
AS
F/S-Mode
1 (read)
HS-Master Code
DAC6574
SLAS408 – DECEMBER 2003
Figure 35 shows the standard and fast mode master transmitter addressing a DAC6574 Slave Transmitter with a
7-bit address.
Figure 35. Standard and Fast Mode: Slave Transmitter
Figure 36 shows an I
2
C-Master addressing DAC6574 in high-speed mode (with a 7-bit address), as a Slave
Transmitter.
Figure 36. High-Speed Mode: Slave Transmitter
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