Datasheet

www.ti.com
DAC7573 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
(DAC7573) (MASTER) (MASTER)
’1’ = (Power Down Flag)
Data Transferred
(3 Bytes + Acknowledge)
(DAC7573) (MASTER) (MASTER) (MASTER)
PD1 = Power Down Bit
PD2 = Power Down Bit
’1’ (read)
(DAC7573) (DAC7573)
DAC7573 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
(DAC7573) (DAC7573) (DAC7573) (MASTER) (MASTER)
’1’ = (Power Down Flag)
Data Transferred
(3 Bytes + Acknowledge)
(DAC7573) (MASTER) (MASTER) (MASTER)
Sr
HS-Mode
AS
F/S-Mode
’1’ (read)
HS-Master Code
DAC7573
SLAS398 – SEPTEMBER 2003
Figure 37 shows the standard and fast mode master receiver addressing a DAC7573 Slave Transmitter with a
7-bit address.
Figure 37. Standard and Fast Mode: Slave Transmitter
Figure 38 shows an I
2
C-Master addressing DAC7573 in high-speed mode (with a 7-bit address), as a Slave
Transmitter.
Figure 38. High-Speed Mode: Slave Transmitter
21