ST7FLITE49K2T6TR STMicroelectronics, ST7FLITE49K2T6TR Datasheet - Page 62

• Manufacturer Part Number: ST7FLITE49K2T6TR
• Description: IC MCU 8BIT 8K FLASH 32LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE49K2T6TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Processor Series: ST7FLITE4x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7FLITE-SK/RAIS, ST7FLI49M-D/RAIS, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 10 Channel
• For Use With: 497-8399 - BOARD EVAL ST7LITE49M/STLED316S497-5858 - EVAL BOARD PLAYBACK ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Interrupts
8.5.3
Note:
62/245
1
2
External interrupt control register (EICR)
Reset value: 0000 0000 (00h)
Bits 7:6 = Reserved, must be kept cleared.
Bits 5:4 = IS2[1:0] ei2 sensitivity bits
Bits 3:2 = IS1[1:0] ei1 sensitivity bits
Bits 1:0 = IS0[1:0] ei0 sensitivity bits
These 8 bits can be written only when the I bit in the CC register is set.
Changing the sensitivity of a particular external interrupt clears this pending interrupt. This
can be used to clear unwanted pending interrupts. Refer to
function.
Table 19.
ISx1
0
0
1
1
These bits define the interrupt sensitivity for ei2 (Port C) according to
These bits define the interrupt sensitivity for ei1 (Port B) according to
These bits define the interrupt sensitivity for ei0 (Port A) according to
0
7
Interrupt sensitivity bits
ISx0
0
1
0
1
0
IS21
IS20
Read/write
External interrupt sensitivity
Falling edge & low level
Rising and falling edge
Falling edge only
Rising edge only
IS11
Section : External interrupt
IS10
IS01
Table
Table
Table
ST7LITE49K2
19.
19.
19.
IS00
0