C8051F500-IQ Silicon Laboratories Inc, C8051F500-IQ Datasheet - Page 126
![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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F500-IQ
Manufacturer:
SiliconL
Quantity:
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Company:
Part Number:
C8051F500-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
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Part Number:
C8051F500-IQR
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C8051F50x-F51x
SFR Definition 14.6. EIP2: Extended Interrupt Priority Enabled 2
SFR Address = 0xF7; SFR Page = 0x00 and 0x0F
14.3. External Interrupts INT0 and INT1
The INT0 and INT1 external interrupt sources are configurable as active high or low, edge or level sensi-
tive. The IN0PL (INT0 Polarity) and IN1PL (INT1 Polarity) bits in the IT01CF register select active high or
active low; the IT0 and IT1 bits in TCON (Section “26.1. Timer 0 and Timer 1” on page 267) select level or
edge sensitive. The table below lists the possible configurations.
INT0 and INT1 are assigned to Port pins as defined in the IT01CF register (see SFR Definition 14.7). Note
that INT0 and INT0 Port pin assignments are independent of any Crossbar assignments. INT0 and INT1
will monitor their assigned Port pins without disturbing the peripheral that was assigned the Port pin via the
Crossbar. To assign a Port pin only to INT0 and/or INT1, configure the Crossbar to skip the selected pin(s).
This is accomplished by setting the associated bit in register XBR0 (see Section “20.3. Priority Crossbar
Decoder” on page 180 for complete details on configuring the Crossbar).
126
IT0
1
1
0
0
Name
Reset
7:3
Bit
Type
2
1
0
Bit
Unused
PCAN0
PREG0
Name
PMAT
IN0PL
0
1
0
1
R
7
0
Read = 00000b; Write = Don’t Care.
Port Match Interrupt Priority Control.
This bit sets the priority of the Port Match interrupt.
0: Port Match interrupt set to low priority level.
1: Port Match interrupt set to high priority level.
CAN0 Interrupt Priority Control.
This bit sets the priority of the CAN0 interrupt.
0: CAN0 interrupt set to low priority level.
1: CAN0 interrupt set to high priority level.
Voltage Regulator Dropout Interrupt Priority Control.
This bit sets the priority of the Voltage Regulator Dropout interrupt.
0: Voltage Regulator Dropout interrupt set to low priority level.
1: Voltage Regulator Dropout interrupt set to high priority level.
INT0 Interrupt
Active low, edge sensitive
Active high, edge sensitive
Active low, level sensitive
Active high, level sensitive
R
6
0
R
5
0
Rev. 1.1
R
4
0
Function
IT1
1
1
0
0
R
3
0
IN1PL
0
1
0
1
PMAT
R/W
2
0
INT1 Interrupt
Active low, edge sensitive
Active high, edge sensitive
Active low, level sensitive
Active high, level sensitive
PCAN0
R/W
1
0
PREG0
R/W
0
0
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