C8051F131R Silicon Labs, C8051F131R Datasheet - Page 205
C8051F131R
Manufacturer Part Number
C8051F131R
Description
8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
Manufacturer
Silicon Labs
Datasheet
1.C8051F133R.pdf
(350 pages)
Specifications of C8051F131R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
100 MHz
Program Memory Size
128 KB
Data Ram Size
8.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
9
Data Rom Size
64 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
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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)
Read and Write/Erase Security Bits.
(Bit 7 is MSB.)
Bit
7
6
5
4
3
2
1
0
0x0C000 - 0x0FFFF
0x08000 - 0x0BFFF
0x04000 - 0x07FFF
0x00000 - 0x03FFF
Memory Block
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 Flash Access Limit is defined by the setting of the FLACL register, as described in SFR
Definition 15.1. Firmware 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.
Figure 15.3. 64 kB Flash Memory Map and Security Bytes
N/A
N/A
N/A
N/A
Write/Erase Lock Byte
Read Lock Byte
Memory Space
Program/Data
SFLE = 0
Rev. 1.4
C8051F120/1/2/3/4/5/6/7
0x0FFFF
0x0FFFE
0x0FFFD
0x00000
Flash Access Limit
C8051F130/1/2/3
Scratchpad Memory
SFLE = 1
(Data only)
0x00FF
0x0000
205
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