C8051F019 Silicon Laboratories Inc, C8051F019 Datasheet - Page 35

• Manufacturer Part Number: C8051F019
• Description: IC 8051 MCU 16K FLASH 48TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F018r

Specifications of C8051F019

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.8 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TQFP, 48-VQFP
• Data Bus Width: 8 bit
• Data Ram Size: 1.25 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

35
Given:
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 1,
ADC0LTH:ADC0LTL = 0x8000,
ADC0GTH:ADC0GTL = 0x4000.
An ADC End of Conversion will cause an ADC Window
Compare Interrupt (ADWINT=1) if the resulting ADC
Data Word is < 0x8000 and > 0x4000.
Given:
AMX0SL = 0x00, AMX0CF = 0x01, ADLJST = 1,
ADC0LTH:ADC0LTL = 0x2000,
ADC0GTH:ADC0GTL = 0xFFC0.
An ADC End of Conversion will cause an ADC Window
Compare Interrupt (ADWINT=1) if the resulting ADC
Data Word is < 0x2000 and > 0xFFC0.
Complement math.)
C8051F018
C8051F019
REF x (1023/1024)
REF x (512/1024)
REF x (256/1024)
(AD0 - AGND)
Input Voltage
REF x (511/512)
REF x (128/512)
REF x (-1/512)
Input Voltage
(AD0 - AD1)
0
-REF
Figure 5.15. 10-Bit ADC Window Interrupt Examples, Left Justified Data
ADC Data
ADC Data
0xFFC0
0x7FC0
0x3FC0
0x8040
0x8000
0x4040
0x4000
0x0000
Word
0x7FC0
0x1FC0
0xFFC0
0xFF80
0x2040
0x2000
0x0000
0x8000
Word
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADWINT
not affected
ADWINT=1
ADWINT
not affected
ADWINT
not affected
ADWINT=1
ADWINT
not affected
(Two’s
Rev. 1.2
Given:
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 1,
ADC0LTH:ADC0LTL = 0x4000,
ADC0GTH:ADC0GTL = 0x8000.
An ADC End of Conversion will cause an ADC Window
Compare Interrupt (ADWINT=1) if the resulting ADC
Data Word is < 0x4000 or > 0x8000.
Given:
AMX0SL = 0x00, AMX0CF = 0x01, ADLJST = 1,
ADC0LTH:ADC0LTH = 0xFFC0,
ADC0GTH:ADC0GTL = 0x2000.
An ADC End of Conversion will cause an ADC Window
Compare Interrupt (ADWINT=1) if the resulting ADC
Data Word is < 0xFFC0 or > 0x2000. (Two’s Complement
math.)
REF x (1023/1024)
REF x (512/1024)
REF x (256/1024)
(AD0 - AGND)
REF x (511/512)
REF x (128/512)
Input Voltage
REF x (-1/512)
Input Voltage
(AD0 - AD1)
-REF
0
ADC Data
ADC Data
0xFFC0
0x7FC0
0x3FC0
0x7FC0
0x1FC0
0xFFC0
0x8040
0x8000
0x4040
0x4000
0x0000
0xFF80
0x2040
0x2000
0x0000
0x8000
Word
Word
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADWINT=1
ADWINT
not affected
ADWINT=1
ADWINT=1
ADWINT
not affected
ADWINT=1