C8051F220-GQ Silicon Laboratories Inc, C8051F220-GQ Datasheet - Page 47

• Manufacturer Part Number: C8051F220-GQ
• Description: IC 8051 MCU 8K FLASH 48TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F2xxr

Specifications of C8051F220-GQ

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 48-TQFP, 48-VQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 32
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 32x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F2x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F206DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 32-ch x 8-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1241 - DEV KIT F220/221/226/230/231/236
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1238

Given:
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL = 0x0100.
An ADC End of Conversion will cause an ADC
Window Compare Interrupt (ADWINT=1) if the
resulting ADC Data Word is < 0x0200 and >
0x0100.
Bits7–0:
These bits are the low byte of the ADC Less-Than Data Word.
Definition:
ADC Less-Than Data Word = ADC0LTH:ADC0LTL
(Analog Input - GND)
R/W
Bit7
REF x (4095/4096)
SFR Definition 6.9. ADC0LTL: ADC Less-Than Data Low Byte (C8051F206)
Input Voltage
REF x (512/4096)
REF x (256/4096)
Figure 6.3. 12-Bit ADC Window Interrupt Examples, Right Justified Data
0
R/W
Bit6
ADC Data
0x0FFF
0x0201
0x0200
0x01FF
0x0101
0x0100
0x00FF
0x0000
Word
R/W
Bit5
=
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADWINT
not affected
ADWINT=1
ADWINT
not affected
R/W
Bit4
0x0200,
Rev. 1.6
R/W
Bit3
Given:
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL = 0x0200.
An ADC End of Conversion will cause an ADC
Window Compare Interrupt (ADWINT=1) if the
resulting ADC Data Word is < 0x0100 or >
0x0200.
(Analog Input - GND)
REF x (4095/4096)
Input Voltage
REF x (512/4096)
REF x (256/4096)
R/W
Bit2
0
R/W
Bit1
ADC Data
0x0FFF
0x01FF
0x00FF
0x0201
0x0200
0x0101
0x0100
0x0000
Word
C8051F2xx
R/W
Bit0
=
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADWINT=1
ADWINT
not affected
ADWINT=1
SFR Address:
Reset Value
11111111
0xC4
0x0100,
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