C8051F047R Silicon Labs, C8051F047R Datasheet - Page 77

• Manufacturer Part Number: C8051F047R
• Description: 8-bit Microcontrollers - MCU 25 MIPS 32KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F047R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 4.25 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: 13
• Data Rom Size: 64 KB
• Interface Type: CAN, 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: 2.7 V

Timer 2, Timer 3 Overflow;
(AD0CM[1:0]=00, 01, 11)
Write '1' to AD0BUSY
(AD0CM[1:0]=10)
ADC0TM=1
ADC0TM=0
ADC0TM=1
ADC0TM=0
Figure 6.4. 10-Bit ADC Track and Conversion Example Timing
CNVSTR
Clocks
Clocks
Clocks
SAR
SAR
SAR
A. ADC Timing for External Trigger Source
B. ADC Timing for Internal Trigger Sources
Low Power
Low Power
or Convert
or Convert
Track or
Convert
Track Or Convert
1
1
Track
2
2
Track
3
3
4
4
1
5
5
2
6
6
3
7
7
Rev. 1.5
Convert
4
8
8
5
9
9
C8051F040/1/2/3/4/5/6/7
6
1
0
1
0
Convert
7
1
1
1
1
Convert
Convert
8
1
2
1
2
9
1
3
1
3
1
0
1
4
1
4
1
1
1
5
1
5
1
2
1
6
1
6
1
3
1
7
1
4
1
8
1
5
1
9
1
6
Low Power Mode
Track
Low Power Mode
Track
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