ATA5278_06 ATMEL [ATMEL Corporation], ATA5278_06 Datasheet - Page 9

• Manufacturer Part Number: ATA5278_06
• Description: Stand-alone Antenna Driver
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 3-7.
3.7
4832C–RKE–02/06
S_CLK
S_CLK
SPI Commands
S_DO
S_DO
S_CS
S_CS
S_DI
S_DI
SPI Timing Diagram
X
X
X
Z
X
Z
The microcontroller can access the following functions of the ATA5278 via the SPI:
Table 3-1 on page 10
t
t
DO,enable
DO,enable
• Read from/write to configuration register 1
• Read from/write to configuration register 2
• Read from the status register
• Write LF transmission data to the buffer and start the transmission
• Verify the state of the data buffer
• Clear the fault memory
• Stop the modulator
• Enable the power-down mode
t
DI,setup
Second Possible Serial Timing, S_CLK Polarity 1, Phase 1
LSB
LSB
X
First Possible Serial Timing, S_CLK Polarity 0, Phase 0
t
S_CLK,h
t
DI,setup
t
S_CLK,per
LSB
lists all functions and their definitions.
Input bit 1
LSB
t
t
S_CLK,h
S_CLK,l
t
S_CLK,per
Output bit 1
Input bit 1
t
S_CLK,l
Output bit 1
t
DO,delay
t
Input bit 2
DI,hold
Output bit 2
t
DO,delay
t
DI,hold
Input bit 2
out
MSB
MSB
MSB
MSB
t
t
DO,disable
DO,disable
X
ATA5278
X
X
X
X
Z
Z
9