MC33793DR2 Freescale Semiconductor, MC33793DR2 Datasheet - Page 16

• Manufacturer Part Number: MC33793DR2
• Description: IC DSI SLAVE FOR R-SENSE 16-SOIC
• Manufacturer: Freescale Semiconductor
• Type: Distributed Systems Interfacer

Specifications of MC33793DR2

• Input Type: Logic
• Output Type: Logic
• Interface: 2 Line, I²C (CLK, Address/Data)
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Not Compliant
• Other names: MC33793DR2TR

Table 9. Initialization Command Format
INITIALIZATION RESPONSE
following a valid Initialization command to the addressed
Table 10. Initialization Response Format
REQUEST STATUS COMMAND
the status of the NV, U, and BS bits and the logic levels of the
Table 11. Request Status Command Format
REQUEST STATUS RESPONSE
following a valid Request Status command to the addressed
Table 12. Request Status Response Format
16
33793
FUNCTIONAL DEVICE OPERATION
DSI COMMANDS AND RESPONSES
Legend
A[3:0] = Address bits. The slave address.
BS = Bus Switch Position (1 = closed).
G[1:0] = Group bits (unused).
Legend
A[3:0] = Address bits. The slave address.
BF = Bus Fault. Bus out short to battery detected.
BS = Bus Switch Position (1 = closed).
G[1:0] = Group bits (unused).
Legend
A[3:0] = Address bits. The address of the selected device. An
address value of "0000" is ignored by all devices.
Legend
A[3:0] = Address bits. The slave address.
BS = Bus Switch Position (1 = closed).
LO = Logic out driven level.
IO[3:0] = Values at logic I/Os.
A3
NV
A3
This response message is sent during the next message
This command will cause the addressed device to return
–
This response message is sent during the next message
A2
A2
BS
–
A1
A1
G1
–
High Byte
A0
High Byte
A0
G0
–
Data
Data
0
PA3
0
–
0
0
PA2
–
0
0
PA1
–
0
BF
NV
PA0
–
NV
A3
A3
U
BS
X[3:0] = Cyclic Redundancy Check (CRC). The CRC as calculated by the
master.
NV = Nonvolatile Memory Write. The value of the NV bit in the slave.
PA[3:0] = Bus Address to set the device to.
X[3:0] = Cyclic Redundancy Check (CRC). The CRC as calculated by the
master.
Address
A2
A2
Address
NV = Nonvolatile Memory Write. The value of the NV bit in the slave.
U = Undervoltage indicated true by a “1”.
X[3:0] = Cyclic Redundancy Check (CRC). The CRC as calculated by the
slave.
LO
NV = Nonvolatile Memory Write. The value of the NV bit in the slave.
PA[3:0] = Bus Address to set the device to.
X[3:0] = Cyclic Redundancy Check (CRC). The CRC as calculated by
the slave.
G1
device. The response is shown in
long-word only command, the short-word response is invalid.
I/O and LOGICOUT. The command format is found in
Table
device. The response format is found in
byte is omitted during the short-word response. No response
is generated if the command address field was $0.
A1
A1
Low Byte
BS
Low Byte
G0
11.
A0
A0
PA3
IO3
0
0
PA2
IO2
Command
Command
0
0
Analog Integrated Circuit Device Data
PA1
IO1
0
0
PA0
IO0
1
0
Table
Freescale Semiconductor
X3
X3
X3
X3
10. Because this is a
Table
X2
X2
X2
X2
CRC
CRC
CRC
CRC
12. The high
X1
X1
X1
X1
X0
X0
X0
X0