C8051F315R Silicon Labs, C8051F315R Datasheet - Page 140
![no-image](/images/no-image-200.jpg)
C8051F315R
Manufacturer Part Number
C8051F315R
Description
8-bit Microcontrollers - MCU 8KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F313R.pdf
(228 pages)
Specifications of C8051F315R
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
No
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
QFN-28
Mounting Style
SMD/SMT
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
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C8051F310/1/2/3/4/5/6/7
140
Note:
Bits7–0: P2.[7:0]
Note:
Bits7–0: Analog Input Configuration Bits for P2.7–P2.0 (respectively).
P2.7
R/W
R/W
Bit7
Bit7
Only P2.0–P2.5 are associated with Port pins on the C8051F316/7 devices.
Write - Output appears on I/O pins per Crossbar Registers.
0: Logic Low Output.
1: Logic High Output (high impedance if corresponding P2MDOUT.n bit = 0).
Read - Always reads ‘1’ if selected as analog input in register P2MDIN. Directly reads Port
pin when configured as digital input.
0: P2.n pin is logic low.
1: P2.n pin is logic high.
Only P2.0–P2.5 are associated with Port pins on the C8051F316/7 devices.
Port pins configured as analog inputs have their weak pullup, digital driver, and digital
receiver disabled.
0: Corresponding P2.n pin is configured as an analog input.
1: Corresponding P2.n pin is not configured as an analog input.
P2.6
R/W
R/W
Bit6
Bit6
SFR Definition 13.12. P2MDIN: Port2 Input Mode
P2.5
R/W
R/W
Bit5
Bit5
SFR Definition 13.11. P2: Port2
P2.4
R/W
R/W
Bit4
Bit4
Rev. 1.7
P2.3
R/W
R/W
Bit3
Bit3
P2.2
R/W
R/W
Bit2
Bit2
P2.1
R/W
R/W
Bit1
Bit1
(bit addressable)
P2.0
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
Reset Value
Reset Value
11111111
11111111
0xA0
0xF3
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