C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 286

• 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 26.16. TMR3L: Timer 3 Low Byte
SFR Address = 0x94; SFR Page = 0x00
SFR Definition 26.17. TMR3H Timer 3 High Byte
SFR Address = 0x95; SFR Page = 0x00
286
Name
Reset
Name
Reset
7:0
7:0 TMR3H[7:0] Timer 3 High Byte.
Bit
Bit
Type
Type
Bit
Bit
TMR3L[7:0] Timer 3 Low Byte.
Name
Name
7
0
7
0
In 16-bit mode, the TMR3L register contains the low byte of the 16-bit Timer 3. In 8-
bit mode, TMR3L contains the 8-bit low byte timer value.
In 16-bit mode, the TMR3H register contains the high byte of the 16-bit Timer 3. In 8-
bit mode, TMR3H contains the 8-bit high byte timer value.
6
0
6
0
5
0
5
0
Rev. 1.2
4
0
4
0
TMR3H[7:0]
TMR3L[7:0]
R/W
R/W
Function
Function
3
0
3
0
2
0
2
0
1
0
1
0
0
0
0
0