C8051F500-IQ Silicon Laboratories Inc, C8051F500-IQ Datasheet - Page 75
![IC 8051 MCU 64K FLASH 48-QFP](/photos/12/17/121756/c8051f500-iq_sml.jpg)
C8051F500-IQ
Manufacturer Part Number
C8051F500-IQ
Description
IC 8051 MCU 64K FLASH 48-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Specifications of C8051F500-IQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
48-QFP
Mfg Application Notes
LIN Bootloader AppNote
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), CAN, LIN, SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
40
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 32x12b
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
40
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
12 bit, 32 Channel
Package
48PQFP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Operating Supply Voltage
2.5|3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1530 - ADAPTER PROG TOOLSTICK F500336-1529 - PLATFORM PROG TOOLSTCK F500336-1527 - KIT DEV FOR C8051F50X336-1526 - BOARD PROTOTYPE W/C8051F500
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1510
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F500-IQ
Manufacturer:
SiliconL
Quantity:
300
Company:
Part Number:
C8051F500-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
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Company:
Part Number:
C8051F500-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
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9. Comparators
The C8051F50x-F51x devices include two on-chip programmable voltage Comparators. A block diagram
of the comparators is shown in Figure 9.1, where “n” is the comparator number (0 or 1). The two Compara-
tors operate identically except that Comparator0 can also be used a reset source. For input selection
details, refer to SFR Definition 9.5 and SFR Definition 9.6.
Each Comparator offers programmable response time and hysteresis, an analog input multiplexer, and two
outputs that are optionally available at the Port pins: a synchronous “latched” output (CP0, CP1), or an
asynchronous “raw” output (CP0A, CP1A). The asynchronous signal is available even when the system
clock is not active. This allows the Comparators to operate and generate an output with the device in
STOP mode. When assigned to a Port pin, the Comparator outputs may be configured as open drain or
push-pull (see Section “20.4. Port I/O Initialization” on page 182). Comparator0 may also be used as a
reset source (see Section “17.5. Comparator0 Reset” on page 145).
The Comparator0 inputs are selected in the CPT0MX register (SFR Definition 9.5). The CMX0P1-CMX0P0
bits select the Comparator0 positive input; the CMX0N1-CMX0N0 bits select the Comparator0 negative
input. The Comparator1 inputs are selected in the CPT1MX register (SFR Definition 9.6). The CMX1P1-
CMX1P0 bits select the Comparator1 positive input; the CMX1N1-CMX1N0 bits select the Comparator1
negative input.
Important Note About Comparator Inputs: The Port pins selected as Comparator inputs should be con-
figured as analog inputs in their associated Port configuration register, and configured to be skipped by the
Crossbar (for details on Port configuration, see Section “20.1. Port I/O Modes of Operation” on page 178).
Comparator
Input Mux
CPTnMD
Figure 9.1. Comparator Functional Block Diagram
CPn +
CPn -
+
-
CPTnCN
GND
VIO
CPnRIF
CPnFIF
Decision
Reset
Tree
Rev. 1.1
(SYNCHRONIZER)
D
SET
CLR
Q
Q
0
1
0
1
D
SET
CLR
Q
Q
CPnEN
C8051F50x-F51x
Crossbar
0
1
EA
0
1
CPnA
Interrupt
CPn
CPn
75
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