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33793 Datasheet(PDF) 14 Page - Freescale Semiconductor, Inc

Part # 33793
Description  Distributed System Interface (DSI) Sensor Interface
PDF  27 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33793 Datasheet(HTML) 14 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
14
Freescale Semiconductor
33793
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
LONG- AND SHORT-WORD RESPONSES
The device responds to Long-word commands with long-word responses and short-word commands with short-word
responses. Responses are sent during the next message following the command. A long-word response summary is found in
Table 7 and a short-word response summary is found in Table 8, page 15.
Table 7. Long-Word Response Summary
CMD
hex
Command
Description
Response
0
Initialization
A3
A2
A1
A0
0
0
0
BF
NV
BS
G1
G0
PA3
PA2
PA1
PA0
1
Request Status
A3
A2
A1
A0
0
0
0
0
NV
U
LO
BS
IO3
IO2
IO1
IO0
2
Request Value
0
A3
A2
A1
A0
0
0
0
0
B7
B6
B5
B4
B3
B2
B1
B0
3
I/O Control
A3
A2
A1
A0
0
0
0
0
L3
L2
L1
L0
DR3
DR2
DR1
DR0
4
Request ID
A3
A2
A1
A0
0
0
0
0
V2
V1
V0
0
0
0
1
1
5
Request Value
1
A3
A2
A1
A0
0
0
0
0
B7
B6
B5
B4
B3
B2
B1
B0
6
Request Value
2
A3
A2
A1
A0
0
0
0
0
B7
B6
B5
B4
B3
B2
B1
B0
7
Clear
No Response
8
Request Value
3
A3
A2
A1
A0
0
0
0
0
B7
B6
B5
B4
B3
B2
B1
B0
9
Read/Write NVM
A3
A2
A1
A0
0
0
0
0
1
1
1
1
PA3
PA2
PA1
PA0
A
Reserved
B
Reserved
C
Clear Logic Out
A3
A2
A1
A0
0
0
0
0
NV
U
LO
BS
IO3
IO2
IO1
IO0
D
Set Logic Out
A3
A2
A1
A0
0
0
0
0
NV
U
LO
BS
IO3
IO2
IO1
IO0
E
Reserved
F
Reverse Initialization
A3
A2
A1
A0
0
0
0
BF
NV
BS
G1
G0
PA3
PA2
PA1
PA0
Legend
A[3:0] = Address bits. The slave address.
B[7:0] = 8-bit A/D value.
BF = Bus Fault
BS = Status of the Bus Switch (1 = close).
DR[3:0] = I/O direction bits (1 = Output).
G[1:0] = Group assignment (the 33793 does not use these bits).
IO[3:0] = Logic level of I/O.
L[3:0] = Level to output on I/O if configured as outputs.
LO = Logic Out level at the Logic Out pin.
NV = Allows nonvolatile address programming if set to “1”.
PA[3:0] = Bus Address to set the device to.
U = Undervoltage Flag.
V[2:0] = Version number.



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