C8051F521-IMR Silicon Labs, C8051F521-IMR Datasheet - Page 47

• Manufacturer Part Number: C8051F521-IMR
• Description: 8-bit Microcontrollers - MCU 8KB 12ADC 125C 10Pin MCU
• Manufacturer: Silicon Labs

Specifications of C8051F521-IMR

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Package / Case: DFN-10
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 6
• Interface Type: SPI, UART
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 6
• Number Of Timers: 3
• On-chip Dac: No
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 1500
• Supply Voltage - Max: 2.7 V, 5.25 V
• Supply Voltage - Min: 2 V, 2.7 V

Table 3.7. Pin Definitions for the C8051F53x and C805153xA (QFN 20) (Continued)
Note: Please refer to Section “20. Device Specific Behavior” on page 210.
P0.5/RX*
P0.4/RX*
P0.4/TX*
P0.3/TX*
XTAL2
XTAL1
Name
P1.0/
P0.7/
P0.6/
C2D
P0.5
P0.3
P0.2
P0.1
‘F53x-C
‘F53xA
Pin Numbers
13
14
15
16
17
18
19
20
—
—
—
‘F53x
13
14
15
16
17
18
19
20
—
—
—
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O
D I/O
Type
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
Description
Port 1.0. See Port I/O Section for a complete description.
External Clock Output. For an external crystal or resonator, this
pin is the excitation driver. This pin is the external clock input for
CMOS, capacitor, or RC oscillator configurations. Section
“14. Oscillators” on page 135.
Port 0.7. See Port I/O Section for a complete description.
External Clock Input. This pin is the external oscillator return for
a crystal or resonator. See Oscillator Section.
Port 0.6. See Port I/O Section for a complete description.
Bi-directional data signal for the C2 Debug Interface.
Port 0.5. See Port I/O Section for a complete description.
Port 0.5. See Port I/O Section for a complete description.
Port 0.4. See Port I/O Section for a complete description.
Port 0.4. See Port I/O Section for a complete description.
Port 0.3. See Port I/O Section for a complete description.
Port 0.3. See Port I/O Section for a complete description.
Port 0.2. See Port I/O Section for a complete description.
Port 0.1. See Port I/O Section for a complete description.
Rev. 1.4
C8051F52x/F53x
47