ATA5811-PLQX Atmel, ATA5811-PLQX Datasheet - Page 47

• Manufacturer Part Number: ATA5811-PLQX
• Manufacturer: Atmel

Specifications of ATA5811-PLQX

• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 7mm
• Product Height (mm): 0.9mm
• Product Length (mm): 7mm
• Lead Free Status / Rohs Status: Compliant

4-wire Serial Interface
Figure 39. Serial Timing
4689B–RKE–04/04
SDO_TMDO
SDI_TMDI
SCK
CS
T
SCK_setup1
X
X can be either V
X
T
.
Table 36. Command Structure
The 4-wire serial interface consists of the Chip Select (CS), the Serial ClocK (SCK), the
Serial Data Input (SDI_TMDI) and the Serial Data Output (SDO_TMDO). Data is trans-
mitted/received bit by bit in synchronization with the serial clock.
Note:
When CS is low and the transparent mode is inactive (T_MODE = 0), SDO_TMDO is in
a high-impedance state. When CS is low and the transparent mode is active
(T_MODE = 1), the RX data stream is available on pin SDO_TMDO.
T
Read TX/RX data buffer
Write TX/RX data buffer
Read control/status register
Write control register
OFF command
Delete IRQ
Not used
Not used
Out_enable
CS_setup
T
Setup
il
or V
MSB
If the output level on pin N_RESET is low, no data communication with the microcontrol-
ler is possible.
Command
T
iH
Hold
MSB
T
Cycle
X
T
Out_delay
ATA5811/ATA5812 [Preliminary]
MSB
Bit 7
0
0
0
0
1
1
1
1
MSB-1
MSB-1
Bit 6
0
0
1
1
0
0
1
1
Bit 5
X
0
1
0
1
0
1
0
1
Bit 4
A4
A4
LSB
X
X
X
X
x
x
T
SCK_setup2
Bit 3
A3
A3
X
X
X
X
x
x
X
T
T
T
CS_disable
Bit 2
Out_disable
SCK_hold
A2
A2
X
X
X
X
X
x
x
Bit 1
A1
A1
X
X
X
X
x
x
Bit 0
LSB
A0
A0
X
X
X
X
x
x
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