C8051F521A-IM Silicon Laboratories Inc, C8051F521A-IM Datasheet - Page 193

• Manufacturer Part Number: C8051F521A-IM
• Description: IC 8051 MCU 8K FLASH 10DFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F52xr

Specifications of C8051F521A-IM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 10-DFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 6
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.25 V
• Data Converters: A/D 6x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: C8051F5x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F500DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 6-ch x 12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1488 - KIT DEV C8051F53XA, C8051F52XA770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1455 - ADAPTER PROGRAM TOOLSTICK F520
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1490-5

SFR Definition 18.9. TMR2RLL: Timer 2 Reload Register Low Byte
SFR Definition 18.10. TMR2RLH: Timer 2 Reload Register High Byte
SFR Definition 18.11. TMR2L: Timer 2 Low Byte
SFR Definition 18.12. TMR2H Timer 2 High Byte
Bits7–0: TMR2RLL: Timer 2 Reload Register Low Byte.
Bits7–0: TMR2RLH: Timer 2 Reload Register High Byte.
Bits7–0: TMR2L: Timer 2 Low Byte.
Bits7–0: TMR2H: Timer 2 High Byte.
R/W
R/W
R/W
R/W
Bit7
Bit7
Bit7
Bit7
TMR2RLL holds the low byte of the reload value for Timer 2.
The TMR2RLH holds the high byte of the reload value for Timer 2.
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.
R/W
R/W
R/W
R/W
Bit6
Bit6
Bit6
Bit6
R/W
R/W
R/W
R/W
Bit5
Bit5
Bit5
Bit5
R/W
R/W
R/W
R/W
Bit4
Bit4
Bit4
Bit4
C8051F52x/F52xA/F53x/F53xA
Rev. 1.3
R/W
R/W
R/W
R/W
Bit3
Bit3
Bit3
Bit3
R/W
R/W
R/W
R/W
Bit2
Bit2
Bit2
Bit2
R/W
R/W
R/W
R/W
Bit1
Bit1
Bit1
Bit1
SFR Address:
SFR Address:
SFR Address:
SFR Address:
R/W
Bit0
R/W
R/W
R/W
Bit0
Bit0
Bit0
00000000
Reset Value
00000000
00000000
Reset Value
00000000
Reset Value
Reset Value
0xCA
0xCD
0xCB
0xCC
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