C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 136

• Manufacturer Part Number: C8051F502-IMR
• Description: MCU 8-Bit C8051F50x 8051 CISC 64KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F502-IMR

• Package: 32QFN EP
• Device Core: 8051
• Family Name: C8051F50x
• Maximum Speed: 50 MHz
• Ram Size: 4.25 KB
• Program Memory Size: 64 KB
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/UART
• On-chip Adc: 32-chx12-bit
• Operating Temperature: -40 to 125 °C
• Number Of Timers: 4

C8051F50x/F51x
SFR Definition 15.3. FLSCL: Flash Scale
SFR Address = 0xB6; SFR Page = All Pages
136
Name Reserved
Reset
7:5
3:2
Bit
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
R/W
2
0
FLEWT
R/W
1
0
Reserved
R/W
0
0