C8051F131R Silicon Labs, C8051F131R Datasheet - Page 93

• Manufacturer Part Number: C8051F131R
• Description: 8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
• Manufacturer: Silicon Labs

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

(AD2CM[2:0]=000, 001, 011, 1xx)
Write '1' to AD2BUSY,
Write '1' to AD0BUSY
Figure 7.2. ADC2 Track and Conversion Example Timing
Timer 3 Overflow,
Timer 2 Overflow,
(AD2CM[2:0]=010)
SAR Clocks
SAR Clocks
SAR Clocks
CNVSTR2
AD2TM=1
AD2TM=0
AD2TM=1
AD2TM=0
A. ADC Timing for External Trigger Source
B. ADC Timing for Internal Trigger Source
Low Power
Low Power
or Convert
or Convert
Track or
Convert
Track or Convert
1
1
Track
2
2
Track
Rev. 1.4
3
3
Convert
4
4
1
5
5
C8051F120/1/2/3/4/5/6/7
2
6
6
Convert
3
7
7
Convert
Convert
4
8
8
5
9
9
10 11 12
6
7
C8051F130/1/2/3
8
9
Low Power Mode
Track
Low Power Mode
Track
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