C8051F040-GQ Silicon Laboratories Inc, C8051F040-GQ Datasheet - Page 319
![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: 319 of 328
- Download datasheet (4Mb)
25. JTAG (IEEE 1149.1)
Each MCU has an on-chip JTAG interface and logic to support boundary scan for production and in-sys-
tem testing, Flash read/write operations, and non-intrusive in-circuit debug. The JTAG interface is fully
compliant with the IEEE 1149.1 specification. Refer to this specification for detailed descriptions of the Test
Interface and Boundary-Scan Architecture. Access of the JTAG Instruction Register (IR) and Data Regis-
ters (DR) are as described in the Test Access Port and Operation of the IEEE 1149.1 specification.
The JTAG interface is accessed via four dedicated pins on the MCU: TCK, TMS, TDI, and TDO.
Through the 16-bit JTAG Instruction Register (IR), any of the seven instructions shown in Figure 25.1 can
be commanded. There are three DR’s associated with JTAG Boundary-Scan, and four associated with
Flash read/write operations on the MCU.
IR Value
0xFFFF
0x0000
0x0002
0x0004
0x0082
0x0083
0x0084 Flash Address
Bit15
Flash Control
JTAG Register Definition 25.1. IR: JTAG Instruction Register
Instruction
Flash Data
PRELOAD
SAMPLE/
EXTEST
IDCODE
BYPASS
Selects the Boundary Data Register for control and observability of all
device pins
Selects the Boundary Data Register for observability and presetting the
scan-path latches
Selects device ID Register (DEVICEID)
Selects Bypass Data Register
Selects FLASHCON Register to control how the interface logic responds
to reads and writes to the FLASHDAT Register
Selects FLASHDAT Register for reads and writes to the Flash memory
Selects FLASHADR Register which holds the address of all Flash read,
write, and erase operations
Rev. 1.4
C8051F040/1/2/3/4/5/6/7
Description
Bit0
Reset Value
0x0000
319
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