C8051F047-GQ Silicon Laboratories Inc, C8051F047-GQ Datasheet - Page 137
C8051F047-GQ
Manufacturer Part Number
C8051F047-GQ
Description
IC 8051 MCU 32K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F04xr
Specifications of C8051F047-GQ
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
64-TQFP, 64-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
32
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 13x10b
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
32
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
13-ch x 10-bit
No. Of I/o's
32
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
5
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1212
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
C8051F047-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Part Number:
C8051F047-GQR
Manufacturer:
MAXIM
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C8051F040/1/2/3/4/5/6/7
SFR Page
Stack SFR's
0x0F
SFRPAGE
(Port 5)
SFRNEXT
SFRLAST
Figure 12.4. SFR Page Stack While Using SFR Page 0x0F To Access Port 5
While CIP-51 executes in-line code (writing values to Port 5 in this example), an ADC2 Window Compara-
tor Interrupt occurs. The CIP-51 vectors to the ADC2 Window Comparator ISR and pushes the current
SFR Page value (SFR Page 0x0F) into SFRNEXT in the SFR Page Stack. The SFR page needed to
access ADC2’s SFR’s is then automatically placed in the SFRPAGE register (SFR Page 0x02). SFRPAGE
is considered the “top” of the SFR Page Stack. Software can now access the ADC2 SFR’s. Software may
switch to any SFR Page by writing a new value to the SFRPAGE register at any time during the ADC2 ISR
to access SFR’s that are not on SFR Page 0x02. See Figure 12.5.
Rev. 1.5
137
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