C8051F040-GQ Silicon Laboratories Inc, C8051F040-GQ Datasheet - Page 229
C8051F040-GQ
Manufacturer Part Number
C8051F040-GQ
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F04xr
Datasheets
1.C8051F040-TB.pdf
(328 pages)
2.C8051F040-TB.pdf
(2 pages)
3.C8051F043-GQ.pdf
(328 pages)
Specifications of C8051F040-GQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
100-TQFP, 100-VQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
64
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 13x12b; D/A 2x10b, 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F0x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
CAN/SMBus/SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
64
Number Of Timers
5
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F040DK
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 8-bit or 13-ch x 12-bit
On-chip Dac
2-ch x 12-bit
No. Of I/o's
64
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
5
Rohs Compliant
Yes
Data Rom Size
64 KB
A/d Bit Size
12 bit
A/d Channels Available
13
Height
1 mm
Length
14 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Width
14 mm
Package
100TQFP
Device Core
8051
Family Name
C8051F04x
Maximum Speed
25 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1205 - DEV KIT FOR F040/F041/F042/F043
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1204
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
C8051F040-GQ
Manufacturer:
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Quantity:
702
Company:
Part Number:
C8051F040-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
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C8051F040-GQR
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Quantity:
20 000
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C8051F040/1/2/3/4/5/6/7
18. Controller Area Network (CAN0)
IMPORTANT DOCUMENTATION NOTE: The Bosch CAN Controller is integrated in the C8051F04x Fam-
ily of 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, please refer to Bosch’s C_CAN User’s Manual (revision 1.2) as an
accompanying manual to Silicon Labs’ C8051F04x Data sheet.
The C8051F04x family of devices feature a Control Area Network (CAN) controller that enables serial com-
munication 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 18.1 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.
C8051F04x
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 18.1. Typical CAN Bus Configuration
Rev. 1.4
229
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