C8051F544-IM Silicon Laboratories Inc, C8051F544-IM Datasheet - Page 242

• Manufacturer Part Number: C8051F544-IM
• Description: IC 8051 MCU 8K FLASH 32-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F54xr

Specifications of C8051F544-IM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 32-QFN
• Mfg Application Notes: LIN Bootloader AppNote
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: SMBus (2-Wire/I²C), LIN, SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.25 V
• Data Converters: A/D 25x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: C8051F5x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 25
• Operating Supply Voltage: 1.8 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F540DK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1672 - BOARD PROTOTYPE W/C8051F540336-1669 - KIT DEVELOPMENT FOR C8051F540
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1677-5

C8051F54x
SFR Definition 23.11. TMR2L: Timer 2 Low Byte
SFR Address = 0xCC; SFR Page = 0x00
SFR Definition 23.12. TMR2H Timer 2 High Byte
SFR Address = 0xCD; SFR Page = 0x00
242
Name
Reset
Name
Reset
7:0
7:0 TMR2H[7:0] Timer 2 High Byte.
Bit
Bit
Type
Type
Bit
Bit
TMR2L[7:0] Timer 2 Low Byte.
Name
Name
7
0
7
0
In 16-bit mode, the TMR2L register contains the low byte of the 16-bit Timer 2. In 8-
bit mode, TMR2L contains the 8-bit low byte timer value.
In 16-bit mode, the TMR2H register contains the high byte of the 16-bit Timer 2. In 8-
bit mode, TMR2H contains the 8-bit high byte timer value.
6
0
6
0
5
0
5
0
Rev. 1.1
4
0
4
0
TMR2H[7:0]
TMR2L[7:0]
R/W
R/W
Function
Function
3
0
3
0
2
0
2
0
1
0
1
0
0
0
0
0