C8051F040-GQ Silicon Laboratories Inc, C8051F040-GQ Datasheet - Page 228
![IC 8051 MCU 64K FLASH 100TQFP](/photos/12/20/122007/c8051f040-gq_sml.jpg)
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F040-GQ
Manufacturer:
SiliconL
Quantity:
702
Company:
Part Number:
C8051F040-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F040-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
C8051F040-GQR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
- Current page: 228 of 328
- Download datasheet (3Mb)
C8051F040/1/2/3/4/5/6/7
18.1. Bosch CAN Controller Operation
The CAN Controller featured in the C8051F04x family of devices is a full implementation of Bosch’s full
CAN module and fully complies with CAN specification 2.0B. A block diagram of the CAN controller is
shown in Figure 18.2. The CAN Core provides shifting (CANTX and CANRX), serial/parallel conversion of
messages, and other protocol related tasks such as transmission of data and acceptance filtering. The
message RAM stores 32 message objects which can be received or transmitted on a CAN network. The
CAN registers and message handler provide an interface for data transfer and notification between the
CAN controller and the CIP-51.
The function and use of the CAN Controller is detailed in the Bosch CAN User’s Guide. The User’s Guide
should be used as a reference to configure and use the CAN controller. This Silicon Labs data sheet
describes how to access the CAN controller.
The CAN Controller is typically initialized using the following steps:
The CAN Control Register (CAN0CN), CAN Test Register (CAN0TST), and CAN Status Register
(CAN0STA) in the CAN controller can be accessed directly or indirectly via CIP-51 SFR’s. All other CAN
registers must be accessed via an indirect indexing method described in
CAN0ADR, CAN0DATH, and CANDATL to Access CAN Registers” on page
228
Step 1. Set the SFRPAGE register to CAN0_PAGE.
Step 2. Set the INIT the CCE bits to ‘1’ in the CAN0CN Register. See the CAN User’s Guide for bit
Step 3. Set timing parameters in the Bit Timing Register and the BRP Extension Register.
Step 4. Initialize each message object or set it’s MsgVal bit to NOT VALID.
Step 5. Reset the INIT bit to ‘0’.
definitions.
CANTX
TX
(32 Message Objects)
Figure 18.2. CAN Controller Diagram
Message RAM
Core
CAN
Message Handler
CANRX
RX
Rev. 1.5
CAN Controller
REGISTERS
Prescaler
BRP
Interrupt
CAN_CLK
(f
sys
)
C8051F04x
232.
Section “18.2.5. Using
CIP-51
C
S
Y
S
L
K
R
's
S
F
MCU
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