SM320F2812-HT Datasheet, PDF (66/155 Pages) Texas Instruments – Digital Signal Processor

SM320F2812-HT
SGUS062A – JUNE 2009 – REVISED APRIL 2010
eCAN0INT eCAN1INT
Controls Address Data
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Enhanced CAN Controller
Message Controller
Mailbox RAM
(512 Bytes)
32-Message Mailbox
of 4 × 32-Bit Words
32
Memory Management
Unit
eCAN Memory
(512 Bytes)
CPU Interface,
Registers and Message
32
Receive Control Unit,
32
Timer Management Unit
Objects Control
eCAN Protocol Kernel
32
Receive Buffer
Transmit Buffer
Control Buffer
Status Buffer
SN65HVD23x
3.3-V CAN Transceiver
CAN Bus
Figure 4-7. eCAN Block Diagram and Interface Circuit
PART NUMBER
SN65HVD230
SN65HVD230Q
SN65HVD231
SN65HVD231Q
SN65HVD232
SN65HVD232Q
SN65HVD233
SN65HVD234
SN65HVD235
Table 4-5. 3.3-V eCAN Transceivers for the SM320F2812 DSP
SUPPLY
VOLTAGE
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
LOW-POWER
MODE
Standby
Standby
Sleep
Sleep
None
None
Standby
Standby & Sleep
Standby
SLOPE
CONTROL
Adjustable
Adjustable
Adjustable
Adjustable
None
None
Adjustable
Adjustable
Adjustable
VREF
Yes
Yes
Yes
Yes
None
None
None
None
None
OTHER
–
–
–
–
–
–
Diagnostic Loopback
–
Autobaud Loopback
T_A
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
66
Peripherals
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