ST10F269-T3 STMicroelectronics, ST10F269-T3 Datasheet - Page 98

• Manufacturer Part Number: ST10F269-T3
• Manufacturer: STMicroelectronics

Specifications of ST10F269-T3

• Cpu Family: ST10
• Device Core Size: 16b
• Frequency (max): 32MHz
• Interface Type: ASC/I2C/SSC
• Program Memory Type: Flash
• Program Memory Size: 256KB
• Total Internal Ram Size: 12KB
• # I/os (max): 111
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 16-chx10-bit
• Instruction Set Architecture: CISC/RISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 144
• Package Type: TQFP
• Lead Free Status / Rohs Status: Supplier Unconfirmed

ST10F269-T3
The ST10F269-T3 also supports single CAN Bus
multiple (dual) interfaces using the open drain
option of the CANx_TxD output as shown in
Figure 48. Thanks to the OR-Wired Connection,
only one transceiver is required. In this case the
design of the application must take in account the
wire length and the noise environment.
Figure 48 : Single CAN Bus, Dual Interfaces,
Single Transceiver
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CAN_H
CAN_H
* Open drain output
Transceiver
RxD TxD
CAN1
CAN
*
CAN bus
RxD TxD
CAN2
*
2.7kΩ
+5V
Multiple CAN Bus
The ST10F269-T3 provides 2 CAN interfaces to
support such kind of bus configuration as shown
in Figure 49.
Figure 49 : Connection to Two Different CAN
Buses (e.g. for gateway application)
CAN_H
CAN_H
Transceiver
RxD TxD
CAN1
CAN
CAN
bus 1
Transceiver
RxD TxD
CAN2
CAN
CAN
bus 2