C8051F507-IM Silicon Laboratories Inc, C8051F507-IM Datasheet - Page 183
![IC 8051 MCU 32K FLASH 32-QFN](/photos/12/16/121687/c8051f507-im_sml.jpg)
C8051F507-IM
Manufacturer Part Number
C8051F507-IM
Description
IC 8051 MCU 32K FLASH 32-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Specifications of C8051F507-IM
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
32-QFN
Mfg Application Notes
LIN Bootloader AppNote
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 25x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C/SPI/UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F500DK
Minimum Operating Temperature
- 40 C
On-chip Adc
32-ch x 12-bit
A/d Bit Size
12 bit
A/d Channels Available
32
Height
0.83 mm
Length
5 mm
Supply Voltage (max)
5.25 V
Supply Voltage (min)
1.8 V
Width
5 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1527 - KIT DEV FOR C8051F50X
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1525-5
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C8051F50x/F51x
digital input, and a 0 indicates an analog input. All pins default to digital inputs on reset. See SFR Definition
20.13 for the PnMDIN register details.
The output driver characteristics of the I/O pins are defined using the Port Output Mode registers (PnMD-
OUT). Each Port Output driver can be configured as either open drain or push-pull. This selection is
required even for the digital resources selected in the XBRn registers, and is not automatic. The only
exception to this is the SMBus (SDA, SCL) pins, which are configured as open-drain regardless of the
PnMDOUT settings. When the WEAKPUD bit in XBR2 is 0, a weak pullup is enabled for all Port I/O config-
ured as open-drain. WEAKPUD does not affect the push-pull Port I/O. Furthermore, the weak pullup is
turned off on an output that is driving a 0 to avoid unnecessary power dissipation.
Registers XBR0, XBR1, and XBR2 must be loaded with the appropriate values to select the digital I/O
functions required by the design. Setting the XBARE bit in XBR2 to 1 enables the Crossbar. Until the
Crossbar is enabled, the external pins remain as standard Port I/O (in input mode), regardless of the XBRn
Register settings. For given XBRn Register settings, one can determine the I/O pin-out using the Priority
Decode Table; as an alternative, the Configuration Wizard utility of the Silicon Labs IDE software will deter-
mine the Port I/O pin-assignments based on the XBRn Register settings.
The Crossbar must be enabled to use Port pins as standard Port I/O in output mode. Port output drivers
are disabled while the Crossbar is disabled.
Rev. 1.2
183
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