C8051F044 Silicon Laboratories Inc, C8051F044 Datasheet - Page 55

• Manufacturer Part Number: C8051F044
• Description: IC 8051 MCU 64K FLASH 100TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F04xr

Specifications of C8051F044

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: CAN, EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 64
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1156

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 5.4. 12-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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