STR912FW42X6 STMicroelectronics, STR912FW42X6 Datasheet - Page 13

• Manufacturer Part Number: STR912FW42X6
• Description: MCU 256K FLASH 96K SRAM USB CAN
• Manufacturer: STMicroelectronics
• Series: STR9r

Specifications of STR912FW42X6

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 96MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 96K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 2 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-LQFP
• For Use With: 497-8267 - BOARD EVAL BASED ON STR9MCBSTR9UME - BOARD EVAL MCBSTR9 + ULINK-MEMCBSTR9U - BOARD EVAL MCBSTR9 + ULINK2497-5859 - EVAL BRD FULL USB DONGLE STR912MCBSTR9 - BOARD EVAL STM STR9 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-5062; 497-5062-2; 497-5062-2; STR912FW42X6T

STR91xF
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Interrupt source assignments are made by CPU firmware during initialization, thus establishing
interrupt priorities.
Table 2.
VIC IRQ Channel
31 (low priority)
0 (high priority)
Table 2
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
Recommended IRQ Channel assignments (set by CPU firmware)
for recommended interrupt source assignments to physical IRQ interrupt channels.
Wake-up Group 0
Wake-up Group 1 Logic OR of 8 interrupts from pins P5.0 to P5.7
Wake-up Group 2 Logic OR of 8 interrupts from pins P6.0 to P6.7
Wake-up Group 3 Logic OR of 8 interrupts from pins P7.0 to P7.7
CPU Firmware
Ethernet MAC
Wake-Up (all)
BROWNOUT
Logic Block
TIM Timer 0
TIM Timer 1
TIM Timer 2
TIM Timer 3
WatchDog
CPU Core
CPU Core
PFQ-BC
UART0
UART1
UART2
SSP0
SSP1
CCU
DMA
USB
USB
CAN
ADC
I2C0
I2C1
RTC
USB
IMC
Timeout in WDT mode, Terminal Count in Counter Mode
Firmware generated interrupt
Debug Receive Command
Debug Transmit Command
Logic OR of ICI0_0, ICI0_1, OCI0_0, OCI0_1, Timer overflow
Logic OR of ICI1_0, ICI1_1, OCI1_0, OCI1_1, Timer overflow
Logic OR of ICI2_0, ICI2_1, OCI2_0, OCI2_1, Timer overflow
Logic OR of ICI3_0, ICI3_1, OCI3_0, OCI3_1, Timer overflow
Logic OR of high priority USB interrupts
Logic OR of low priority USB interrupts
Logic OR of all interrupts from Clock Control Unit
Logic OR of Ethernet MAC interrupts via its own dedicated
DMA channel.
Logic OR of interrupts from each of the 8 individual DMA
channels
Logic OR of all CAN interface interrupt sources
Logic OR of 8 Induction Motor Control Unit interrupts
End of AtoD conversion interrupt
Logic OR of 5 interrupts from UART channel 0
Logic OR of 5 interrupts from UART channel 1
Logic OR of 5 interrupts from UART channel 2
Logic OR of transmit, receive, and error interrupts of I2C
channel 0
Logic OR of transmit, receive, and error interrupts of I2C
channel 1
Logic OR of all interrupts from SSP channel 0
Logic OR of all interrupts from SSP channel 1
LVD warning interrupt
Logic OR of Alarm, Tamper, or Periodic Timer interrupts
Logic OR of all 32 inputs of Wake-Up unit (30 pins, RTC, and
USB Resume)
Logic OR of 8 interrupt sources: RTC, USB Resume, pins
P3.2 to P3.7
USB Bus Resume Wake-up (also input to wake-up unit)
Special use of interrupts from Prefetch Queue and Branch
Cache
Interrupt Source
Functional overview
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