C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 145

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

SFR Definition 15.3. FLSCL: Flash Scale
SFR Address = 0xB6; SFR Page = All Pages
Name Reserved
Reset
Bit
7:5
3:2
Type
4
1
0
Bit
Reserved
Reserved
Reserved
FLEWT
Name
FLRT
R/W
7
0
Must Write 000b.
Flash Read Time Control.
This bit should be programmed to the smallest allowed value, according to the system
clock speed.
0: SYSCLK < 25 MHz (Flash read strobe is one system clock).
1: SYSCLK > 25 MHz (Flash read strobe is two system clocks).
Must Write 00b.
Flash Erase Write Time Control.
This bit should be set to 1b before Writing or Erasing Flash.
0: Short Flash Erase / Write Timing.
1: Extended Flash Erase / Write Timing.
Must Write 0b.
Reserved
R/W
6
0
Reserved
R/W
5
0
FLRT
R/W
Rev. 1.2
4
0
Function
Reserved
R/W
3
0
Reserved
C8051F58x/F59x
R/W
2
0
FLEWT
R/W
1
0
Reserved
R/W
0
0
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