C8051F317-GMR Silicon Laboratories Inc, C8051F317-GMR Datasheet - Page 68

• Manufacturer Part Number: C8051F317-GMR
• Description: MCU 8-Bit C8051F31x 8051 CISC 16KB Flash 3.3V 24-Pin QFN EP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F317-GMR

• Package: 24QFN EP
• Device Core: 8051
• Family Name: C8051F31x
• Maximum Speed: 25 MHz
• Ram Size: 1.25 KB
• Program Memory Size: 16 KB
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 21
• Interface Type: I2C/SMBus/SPI/UART
• On-chip Adc: 17-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 4

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