C8051F715-GQ Silicon Laboratories Inc, C8051F715-GQ Datasheet - Page 182
![IC 8051 MCU 8K FLASH 48-TQFP](/photos/12/16/121648/c8051f715-gq_sml.jpg)
C8051F715-GQ
Manufacturer Part Number
C8051F715-GQ
Description
IC 8051 MCU 8K FLASH 48-TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F71xr
Specifications of C8051F715-GQ
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
48-TQFP, 48-VQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Cap Sense, POR, PWM, WDT
Number Of I /o
39
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F7x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
39
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F700DK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1635 - DEV KIT FOR C8051F700
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1619
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F715-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F715-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F70x/71x
28.1.3. Interfacing Port I/O to 5 V Logic
All Port I/O configured for digital, open-drain operation are capable of interfacing to digital logic operating at
a supply voltage up to 2 V higher than VDD and less than 5.25 V. An external pull-up resistor to the higher
supply voltage is typically required for most systems.
Important Note: In a multi-voltage interface, the external pull-up resistor should be sized to allow a current
of at least 150 µA to flow into the Port pin when the supply voltage is between (VDD + 0. 6V) and
(VDD + 1.0V). Once the Port pin voltage increases beyond this range, the current flowing into the Port pin
is minimal. Figure 28.3 shows the input current characteristics of port pins driven above VDD. The port pin
requires 150 µA peak overdrive current when its voltage reaches approximately (VDD + 0.7 V).
28.1.4. Increasing Port I/O Drive Strength
Port I/O output drivers support a high and low drive strength; the default is low drive strength. The drive
strength of a Port I/O can be configured using the PnDRV registers. See Section “9. Electrical Characteris-
tics” on page 47 for the difference in output drive strength between the two modes.
28.2. Assigning Port I/O Pins to Analog and Digital Functions
Port I/O pins P0.0–P2.7 can be assigned to various analog, digital, and external interrupt functions. The
Port pins assigned to analog functions should be configured for analog I/O, and Port pins assigned to digi-
tal or external interrupt functions should be configured for digital I/O.
28.2.1. Assigning Port I/O Pins to Analog Functions
Table 28.1 shows all available analog functions that require Port I/O assignments. Port pins selected for
these analog functions should have their corresponding bit in PnSKIP set to 1. This reserves the pin
for use by the analog function and does not allow it to be claimed by the Crossbar. Table 28.1 shows the
potential mapping of Port I/O to each analog function.
182
Port I/O Overdrive Test Circuit
V
Cell
I/O
DD
I
Vtest
Figure 28.3. Port I/O Overdrive Current
+
-
V
test
Rev. 1.0
I
(µA)
Vtest
Port I/O Overdrive Current vs. Voltage
-150
-10
0
V
DD
V
test
V
DD
(V)
+0.7
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