ST7FLITE49K2T6 STMicroelectronics, ST7FLITE49K2T6 Datasheet - Page 179

• Manufacturer Part Number: ST7FLITE49K2T6
• Description: IC MCU 8BIT 8K FLASH 32LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE49K2T6

• 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

ST7LITE49K2
11.8.4
Figure 82. Analog comparator
Register description
Internal voltage reference register (VREFCR)
Reset Value: 0000 0000 (00h)
Bit 7 = VCEXT External voltage reference for comparators
This bit is set or cleared by software. It is used to connect the external reference voltage to
the VN comparator inputs.
Bit 6 = VCBGR Bandgap voltage for comparators
This bit is set or cleared by software. It is used to connect the bandgap voltage of 1.2V to the
VN comparator inputs.
Bits 5:2 = VR[3:0] Programmable internal voltage reference range selection
These bits are set or cleared by software. They are used to select one of 16 different
voltages available from the internal voltage reference module and connect it to the VN
comparator inputs.
Refer to
VCEXT
0: External reference voltage not connected to VN
1: External reference voltage connected to VN
0: Bandgap voltage not connected to VN
1: Bandgap voltage connected to VN
7
Table
Comparator
+
-
CMPxCR
CHYST
VCBGR
59.
Falling Edge
Rising Edge
0
COMPx
CINV
VR3
CINV
CMPIF
0
1
CMPx
CMPIE
VR2
Read/Write
CMP
COUT
VR1
CMPON
Comparator Interrupt
VR0
COMPOUTx
VCEXTB
On-chip peripherals
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0
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