C8051F313R Silicon Labs, C8051F313R Datasheet - Page 68

• Manufacturer Part Number: C8051F313R
• Description: 8-bit Microcontrollers - MCU 8KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F313R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 1.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: QFN-28
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 17
• Data Rom Size: 128 B
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 25
• Number Of Timers: 5
• On-chip Dac: No
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 1500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V

C8051F310/1/2/3/4/5/6/7
68
V
Input Voltage Range
Input Current
Bits7–4: UNUSED. Read = 0000b; Write = don’t care.
Bit3:
Bit2:
Bit1:
Bit0:
DD
= 3.0 V; –40 to +85 °C unless otherwise specified
R/W
Bit7
Table 6.1. External Voltage Reference Circuit Electrical Characteristics
Parameter
REFSL: Voltage Reference Select.
This bit selects the source for the internal voltage reference.
0: VREF input pin used as voltage reference.
1: V
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
BIASE: Internal Analog Bias Generator Enable Bit. (Must be ‘1’ if using ADC).
0: Internal Bias Generator off.
1: Internal Bias Generator on.
UNUSED. Read = 0b. Write = don’t care.
DD
R/W
Bit6
used as voltage reference.
SFR Definition 6.1. REF0CN: Reference Control
R/W
Bit5
Sample Rate = 200 ksps;
R/W
Bit4
VREF = 3.0 V
Conditions
Rev. 1.7
REFSL
R/W
Bit3
TEMPE
R/W
Bit2
Min
0
BIASE
R/W
Bit1
Typ
12
R/W
Bit0
Max
V
DD
SFR Address:
00000000
Reset Value
0xD1
Units
µA
V