C8051F501-IQ Silicon Laboratories Inc, C8051F501-IQ Datasheet - Page 218
![IC 8051 MCU 64K FLASH 48-QFP](/photos/12/17/121736/c8051f501-iq_sml.jpg)
C8051F501-IQ
Manufacturer Part Number
C8051F501-IQ
Description
IC 8051 MCU 64K FLASH 48-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Specifications of C8051F501-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), 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
32-ch x 12-bit
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
336-1527 - KIT DEV FOR C8051F50X
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1512
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F501-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F501-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F50x/F51x
22. Controller Area Network (CAN0)
Important Documentation Note : The Bosch CAN Controller is integrated in the C8051F500/2/4/6/8-F510
devices. This section of the data sheet gives a description of the CAN controller as an overview and offers
a description of how the Silicon Labs CIP-51 MCU interfaces with the on-chip Bosch CAN controller. In
order to use the CAN controller, refer to Bosch’s C_CAN User’s Manual as an accompanying manual to
the Silicon Labs’ data sheet.
The C8051F500/2/4/6/8-F510 devices feature a Control Area Network (CAN) controller that enables serial
communication using the CAN protocol. Silicon Labs CAN facilitates communication on a CAN network in
accordance with the Bosch specification 2.0A (basic CAN) and 2.0B (full CAN). The CAN controller con-
sists of a CAN Core, Message RAM (separate from the CIP-51 RAM), a message handler state machine,
and control registers. Silicon Labs CAN is a protocol controller and does not provide physical layer drivers
(i.e., transceivers). Figure 22.1 shows an example typical configuration on a CAN bus.
Silicon Labs CAN operates at bit rates of up to 1 Mbit/second, though this can be limited by the physical
layer chosen to transmit data on the CAN bus. The CAN processor has 32 Message Objects that can be
configured to transmit or receive data. Incoming data, message objects and their identifier masks are
stored in the CAN message RAM. All protocol functions for transmission of data and acceptance filtering is
performed by the CAN controller and not by the CIP-51 MCU. In this way, minimal CPU bandwidth is
needed to use CAN communication. The CIP-51 configures the CAN controller, accesses received data,
and passes data for transmission via Special Function Registers (SFRs) in the CIP-51.
Silicon Labs MCU
CAN Protocol Device
CAN Protocol Device
CANTX
CANRX
CAN
CAN
CAN
Transceiver
Transceiver
Transceiver
Isolation/Buffer (Optional)
Isolation/Buffer (Optional)
Isolation/Buffer (Optional)
CAN_H
R
R
CAN_L
Figure 22.1. Typical CAN Bus Configuration
218
Rev. 1.2
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