AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 532

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

Figure 36-21. Time Triggered Operations
6120H–ATARM–17-Feb-09
(CAN_MSRlast_mailbox_number)
(CAN_MSRlast_mailbox_number)
Timer Event x
(CAN_MSRx)
Timer Event x
Timer Event y
(CAN_MSRy)
(CAN_MSRx)
CAN BUS
CAN_TIM
CAN BUS
CAN_TIM
MRDY
MRDY
MRDY
MRDY
MRDY
frozen. The TOVF bit in the CAN_SR register is cleared by reading the CAN_SR register.
Depending on the corresponding interrupt mask in the CAN_IMR register, an interrupt is gener-
ated when TOVF is set.
Reference
Reference
Message
Message
MTIMEMARKx == CAN_TIM
MTIMEMARKx == CAN_TIM
End of Frame
End of Frame
Internal Counter Reset
Internal Counter Reset
Time Window
Time Window
AT91SAM7X512/256/128 Preliminary
MTIMEMARKy == CAN_TIM
Cleared by software
Basic Cycle
Basic Cycle
Message x
Cleared by software
Message x
Arbitration Win
Message x
Arbitration Lost
Message y
Message y
Arbitration Win
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