C8051F131R Silicon Labs, C8051F131R Datasheet - Page 87
C8051F131R
Manufacturer Part Number
C8051F131R
Description
8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
Manufacturer
Silicon Labs
Datasheet
1.C8051F133R.pdf
(350 pages)
Specifications of C8051F131R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
100 MHz
Program Memory Size
128 KB
Data Ram Size
8.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
9
Data Rom Size
64 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
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Given:
AMX0SL = 0x00, AMX0CF = 0x01,
AD0LJST = ‘0’,
ADC0LTH:ADC0LTL = 0x0100,
ADC0GTH:ADC0GTL = 0xFFFF.
An ADC0 End of Conversion will cause an
ADC0 Window Compare Interrupt (AD0WINT
= ‘1’) if the resulting ADC0 Data Word is
< 0x0100 and > 0xFFFF. (In 2s-complement
math, 0xFFFF = -1.)
Figure 6.7. 10-Bit ADC0 Window Interrupt Example: Right Justified Differential
REF x (511/512)
REF x (256/512)
(AD0.0 - AD0.1)
REF x (-1/512)
Input Voltage
-REF
ADC Data
0xFFFF
0xFFFE
0xFE00
0x01FF
0x0101
0x0100
0x00FF
0x0000
Word
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADWINT
not affected
ADWINT=1
ADWINT
not affected
Rev. 1.4
Data
C8051F120/1/2/3/4/5/6/7
Given:
AMX0SL = 0x00, AMX0CF = 0x01,
AD0LJST = ‘0’,
ADC0LTH:ADC0LTL = 0xFFFF,
ADC0GTH:ADC0GTL = 0x0100.
An ADC0 End of Conversion will cause an
ADC0 Window Compare Interrupt (AD0WINT
= ‘1’) if the resulting ADC0 Data Word is
< 0xFFFF or > 0x0100. (In 2s-complement
math, 0xFFFF = -1.)
REF x (511/512)
REF x (256/512)
(AD0.0 - AD0.1)
REF x (-1/512)
Input Voltage
-REF
C8051F130/1/2/3
ADC Data
0xFFFF
0xFFFE
0x01FF
0x0100
0x00FF
0xFE00
0x0101
0x0000
Word
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADWINT=1
ADWINT
not affected
ADWINT=1
87
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