C8051F045-GQR Silicon Laboratories Inc, C8051F045-GQR Datasheet - Page 181
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C8051F045-GQR
Manufacturer Part Number
C8051F045-GQR
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F04xr
Specifications of C8051F045-GQR
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
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
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
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F045-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Read and Write/Erase Security Bits.
(Bit 7 is MSB.)
Flash Read Lock Byte
Bits7-0: Each bit locks a corresponding block of memory. (Bit7 is MSB).
Flash Write/Erase Lock Byte
Bits7-0: Each bit locks a corresponding block of memory.
Flash access Limit Register (FLACL)
Bit
7
6
5
4
3
2
1
0
C8051F040/1/2/3/4/5
0xE000 - 0xFDFD
0xC000 - 0xDFFF
0xA000 - 0xBFFF
0x8000 - 0x9FFF
0x6000 - 0x7FFF
0x4000 - 0x5FFF
0x2000 - 0x3FFF
0x0000 - 0x1FFF
0: Read operations are locked (disabled) for corresponding block across the JTAG interface.
1: Read operations are unlocked (enabled) for corresponding block across the JTAG inter-
face.
0: Write/Erase operations are locked (disabled) for corresponding block across the JTAG
interface.
1: Write/Erase operations are unlocked (enabled) for corresponding block across the JTAG
interface.
NOTE: When the highest block is locked, the security bytes may be written but not erased.
The content of this register is used as the high byte of the 16-bit Software Read Limit
address. This 16-bit read limit address value is calculated as 0xNN00 where NN is replaced
by content of this register on reset. Software running at or above this address is prohibited
from using the MOVX and MOVC instructions to read, write, or erase Flash locations below
this address. Any attempts to read locations below this limit will return the value 0x00.
Figure 15.1. Flash Program Memory Map and Security Bytes
Memory Block
0x6000 - 0x7FFD
0x4000 - 0x5FFF
0x2000 - 0x3FFF
0x0000 - 0x1FFF
C8051F046/7
No effect
No effect
No effect
No effect
C8051F040/1/2/3/4/5
Write/Erase Lock Byte
Write/Erase Lock Byte
Rev. 1.5
Software Read Limit
Software Read Limit
C8051F046/7
Read Lock Byte
Read Lock Byte
SFLE = 0
Reserved
Reserved
C8051F040/1/2/3/4/5/6/7
0xFE00
0xFDFF
0xFDFE
0xFDFD
0x0000
0x8000
0x7FFF
0x7FFE
0x7FFD
0x0000
Memory Space
Memory Space
Program/Data
Program/Data
Scratchpad Memory
SFLE = 1
(Data only)
0x007F
0x0000
181
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