C8051F045R Silicon Labs, C8051F045R Datasheet - Page 58
![no-image](/images/no-image-200.jpg)
C8051F045R
Manufacturer Part Number
C8051F045R
Description
8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F044R.pdf
(328 pages)
Specifications of C8051F045R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 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
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C8051F040/1/2/3/4/5/6/7
58
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 5.2 for SAR clock configuration 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
SFR Definition 5.5. ADC0CF: ADC0 Configuration Register
R/W
Bit6
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
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