C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 77

• Manufacturer Part Number: C8051F023R
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023R

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• 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 8x8b, 8x10b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1035-2

(AD1CM[2:0]=000, 001, 011, 1xx)
Write '1' to AD1BUSY,
Write '1' to AD0BUSY
Figure 7.2. ADC1 Track and Conversion Example Timing
Timer 3 Overflow,
Timer 2 Overflow,
(AD1CM[2:0]=010)
SAR1 Clocks
SAR1 Clocks
SAR1 Clocks
AD1TM=1
AD1TM=0
AD1TM=1
AD1TM=0
CNVSTR
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
3
3
Convert
4
4
Rev. 1.4
1
5
5
2
6
6
3
7
Convert
7
4
Convert
Convert
8
8
5
9
9
10 11 12
6
7
8
C8051F020/1/2/3
9
Low Power Mode
Track
Low Power Mode
Track
77