C8051F047-GQR Silicon Laboratories Inc, C8051F047-GQR Datasheet - Page 80

• Manufacturer Part Number: C8051F047-GQR
• Description: IC 8051 MCU 32K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F04xr

Specifications of C8051F047-GQR

• 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: 32
• Program Memory Size: 32KB (32K 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

C8051F040/1/2/3/4/5/6/7
80
Bits7-3:
Bits2-0:
AD0SC4
R/W
Bit7
AD0SC4-0: ADC0 SAR Conversion Clock Period Bits
SAR Conversion clock is derived from system clock by the following equation, where
AD0SC refers to the 5-bit value held in AD0SC4-0, and CLK
SAR clock. See Table 6.2 on page 89 for SAR clock setting requirements.
AMP0GN2-0: ADC0 Internal Amplifier Gain (PGA)
000: Gain = 1
001: Gain = 2
010: Gain = 4
011: Gain = 8
10x: Gain = 16
11x: Gain = 0.5
*Note: AD0SC is the rounded-up result.
AD0SC
AD0SC3
R/W
Bit6
SFR Definition 6.5. ADC0CF: ADC0 Configuration

SYSCLK
---------------------- - 1
CLK
AD0SC2
R/W
Bit5
SAR0
–
AD0SC1
R/W
Bit4
*
or
AD0SC0 AMP0GN2 AMP0GN1 AMP0GN0 11111000
Rev. 1.5
R/W
Bit3
CLK
SAR0
R/W
Bit2
=
----------------------------
AD0SC
SYSCLK
SAR0
R/W
Bit1
refers to the desired ADC0
+
1
SFR Address:
SFR Page:
R/W
Bit0
0xBC
0
Reset Value