C8051F047-GQ Silicon Laboratories Inc, C8051F047-GQ Datasheet - Page 183
![IC 8051 MCU 32K FLASH 64TQFP](/photos/12/37/123767/c8051f047-gq_sml.jpg)
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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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F047-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F047-GQR
Manufacturer:
MAXIM
Quantity:
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Part Number:
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Manufacturer:
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Quantity:
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15.3.1. Summary of Flash Security Options
There are three Flash access methods supported on the C8051F04x devices; 1) Accessing Flash through
the JTAG debug interface, 2) Accessing Flash from firmware residing below the Flash Access Limit, and 3)
Accessing Flash from firmware residing at or above the Flash Access Limit.
Accessing Flash through the JTAG debug interface:
Accessing Flash from firmware residing below the Flash Access Limit:
Accessing Flash from firmware residing at or above the Flash Access Limit:
1. The Read and Write/Erase Lock bytes (security bytes) provide security for Flash access
2. Any unlocked page may be read from, written to, or erased.
3. Locked pages cannot be read from, written to, or erased.
4. Reading the security bytes is always permitted.
5. Locking additional pages by writing to the security bytes is always permitted.
6. If the page containing the security bytes is unlocked, it can be directly erased. Doing so will
7. If the page containing the security bytes is locked, it cannot be directly erased. To unlock the
8. The Reserved Area cannot be read from, written to, or erased at any time.
1. The Read and Write/Erase Lock bytes (security bytes) do not restrict Flash access from user
2. Any page of Flash except the page containing the security bytes may be read from, written to,
3. The page containing the security bytes cannot be erased. Unlocking pages of Flash can
4. The page containing the security bytes may be read from or written to. Pages of Flash can be
5. The Reserved Area cannot be read from, written to, or erased at any time.
1. The Read and Write/Erase Lock bytes (security bytes) do not restrict Flash access from user
2. Any page of Flash at or above the Flash Access Limit except the page containing the security
3. Any page of Flash below the Flash Access Limit cannot be read from, written to, or erased.
4. Code branches to locations below the Flash Access Limit are permitted.
5. The page containing the security bytes cannot be erased. Unlocking pages of Flash can
6. The page containing the security bytes may be read from or written to. Pages of Flash can be
7. The Reserved Area cannot be read from, written to, or erased at any time.
through the JTAG interface.
reset the security bytes and unlock all pages of Flash.
page containing the security bytes, a full JTAG device erase is required. A full JTAG
device erase will erase all Flash pages, including the page containing the security bytes and
the security bytes themselves.
firmware.
or erased.
only be performed via the JTAG interface.
locked from JTAG access by writing to the security bytes.
firmware.
bytes may be read from, written to, or erased.
only be performed via the JTAG interface.
locked from JTAG access by writing to the security bytes.
Rev. 1.5
C8051F040/1/2/3/4/5/6/7
183
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