AT94K05AL-25AQC Atmel, AT94K05AL-25AQC Datasheet - Page 157

• Manufacturer Part Number: AT94K05AL-25AQC
• Manufacturer: Atmel

Specifications of AT94K05AL-25AQC

• Device System Gates: 5000
• Propagation Delay Time: 12.1ns
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Commercial
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: PQFP
• Lead Free Status / RoHS Status: Not Compliant

Figure 4-51. Formats and States in the Slave Transmitter Mode
Table 4-33.
1138I–FPSLI–1/08
(TWSR)
Status
Code
$F8
$00
Reception of the own
slave address and one or
more data bytes
Arbitration lost as master
and addressed as slave
Last data byte transmitted.
No relevant state
information available;
TWINT = “0”
Bus error due to an
illegal START or STOP
condition
Serial Bus and 2-wire
Status of the 2-wire
Status Codes for Miscellaneous States
Serial Hardware
From master to slave
From slave to master
S
No TWDR action
No TWDR action
To/From TWDR
SLA
Application Software Response
R
DATA
STA
$A8
$B0
0
A
A
n
No TWCR action
STO
A
1
To TWCR
DATA
Any number of data bytes
and their associated acknowledge bits
This number (contained in TWSR) corresponds
to a defined state of the 2-wire serial bus
TWINT
1
AT94KAL Series FPSLIC
$B8
TWEA
A
X
DATA
Wait or proceed current transfer
Only the internal hardware is affected; no
STOP condition is sent on the bus. In all
cases, the bus is released and TWSTO is
cleared.
Next Action Taken by 2-wire
$C0
$C8
A
A
Serial Hardware
P or S
All 1's
P or S
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