STM8AF528A STMicroelectronics, STM8AF528A Datasheet - Page 26
STM8AF528A
Manufacturer Part Number
STM8AF528A
Description
STM8AF52 CAN Line
Manufacturer
STMicroelectronics
Datasheet
1.STM8AF5168.pdf
(106 pages)
Specifications of STM8AF528A
Max Fcpu
24 MHz
Program Memory
32 to 128 Kbytes Flash program; data retention 20 years at 55 °C
Data Memory
up to 2 Kbytes true data EEPROM; endurance 300 kcycles
Ram
2 Kbytes to 6 Kbytes
Advanced Control Timer
16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
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Product overview
5.9.5
5.10
26/106
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Controller area network interface (beCAN)
The beCAN controller (basic enhanced CAN), interfaces the CAN network and supports the
CAN protocol version 2.0A and B. It is equipped with a receive FIFO and a very versatile
filter bank. Together with a filter match index, this allows a very efficient message handling in
today’s car network architectures. The CPU is significantly unloaded. The maximum
transmission speed is 1 Mbit/s.
Transmission
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Reception
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Interrupt management
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Input/output specifications
The product features four I/O types:
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To decrease EMI (electromagnetic interference), high sink I/Os have a limited maximum
slew rate. The rise and fall times are similar to those of standard I/Os.
Interrupt:
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–
Wakeup from Halt on address detection in slave mode
Three transmit mailboxes
Configurable transmit priority by identifier or order request
11- and 29-bit ID
1 receive FIFO (3 messages deep)
Software-efficient mailbox mapping at a unique address space
FMI (filter match index) stored with message for quick message association
Configurable FIFO overrun
Time stamp on SOF reception
6 filter banks, 2 x 32 bytes (scalable to 4 x 16-bit) each, enabling various masking
configurations, such as 12 filters for 29-bit ID or 48 filters for 11-bit ID.
Filtering modes (mixable):
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Maskable interrupt
Software-efficient mailbox mapping at a unique address space
Standard I/O 2 MHz
Fast I/O up to 10 MHz
High sink 8 mA, 2 MHz
True open drain (I
Successful address/data communication
Error condition
Wakeup from Halt
Mask mode permitting ID range filtering
ID list mode
2
C interface)
Doc ID 14395 Rev 8
STM8AF52/62xx, STM8AF51/61xx