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Mailbox RAM
(512 Bytes)
32-Message Mailbox
of 4 × 32-Bit Words
Memory Management
Unit
CPU Interface,
Receive Control Unit,
Timer Management Unit
eCAN Memory
(512 Bytes)
Registers and Message
Objects Control
32 32
Message Controller
32 3232 3232 32
eCAN Protocol Kernel
Receive Buffer
Transmit Buffer
Control Buffer
Status Buffer
Enhanced CAN Controller
32
Controls
Address Data
eCAN1INTeCAN0INT
32
SN65HVD23x
3.3-V CAN Transceiver
CAN Bus
TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
www.ti.com
SPRS230L–OCTOBER 2003–REVISED DECEMBER 2009
Figure 4-10. eCAN Block Diagram and Interface Circuit
Table 4-6. 3.3-V eCAN Transceivers
SUPPLY LOW-POWER SLOPE
PART NUMBER VREF OTHER T
A
VOLTAGE MODE CONTROL
SN65HVD230 3.3 V Standby Adjustable Yes – –40°C to 85°C
SN65HVD230Q 3.3 V Standby Adjustable Yes – –40°C to 125°C
SN65HVD231 3.3 V Sleep Adjustable Yes – –40°C to 85°C
SN65HVD231Q 3.3 V Sleep Adjustable Yes – –40°C to 125°C
SN65HVD232 3.3 V None None None – –40°C to 85°C
SN65HVD232Q 3.3 V None None None – –40°C to 125°C
SN65HVD233 3.3 V Standby Adjustable None Diagnostic –40°C to 125°C
Loopback
SN65HVD234 3.3 V Standby & Sleep Adjustable None – –40°C to 125°C
SN65HVD235 3.3 V Standby Adjustable None Autobaud –40°C to 125°C
Loopback
Copyright © 2003–2009, Texas Instruments Incorporated Peripherals 69
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Product Folder Link(s): TMS320F2809 TMS320F2808 TMS320F2806 TMS320F2802 TMS320F2801 TMS320C2802
TMS320C2801 TMS320F28016 TMS320F28015