C8051F231-GQR Silicon Laboratories Inc, C8051F231-GQR Datasheet - Page 26

• Manufacturer Part Number: C8051F231-GQR
• Description: IC 8051 MCU 8K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F2xxr

Specifications of C8051F231-GQR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Processor Series: C8051F2x
• 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: 32
• Number Of Timers: 3 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F226DK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

C8051F2xx
26
P1.6/
P1.0/CP0+
P1.3/CP1+
P2.1/MISO
P2.2/MOSI
P0.7/T2EX
P1.1/CP0-
P1.4/CP1-
P0.3/INT1
P2.0/SCK
P2.3/NSS
P1.2/CP0
P1.5/CP1
P0.4/T0
P0.5/T1
P0.6/T2
Name
P1.7
P2.4
P2.5
P2.6
SYSCLK
48-Pin 32-Pin
‘F206,
F220,
226,
230,
236
37
36
35
34
33
48
47
46
45
24
23
22
21
15
16
17
4
3
2
1
‘F221,
231
25
24
23
22
21
32
31
30
29
16
15
14
13
11
12
4
3
2
1
Table 4.1. Pin Definitions (Continued)
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
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
A In
A In
A In
A In
A In
A In
A In
A In
A In
Port0 Bit4. (See the Port I/O Sub-System section for complete
Port0 Bit3. (See the Port I/O Sub-System section for complete
Port0 Bit5. (See the Port I/O Sub-System section for complete
Port0 Bit6. (See the Port I/O Sub-System section for complete
Port0 Bit7. (See the Port I/O Sub-System section for complete
Port1 Bit0. (See the Port I/O Sub-System section for complete
Port1 Bit1. (See the Port I/O Sub-System section for complete
Port1 Bit2. (See the Port I/O Sub-System section for complete
Port1 Bit3. (See the Port I/O Sub-System section for complete
Port1 Bit4. (See the Port I/O Sub-System section for complete
Port1 Bit5. (See the Port I/O Sub-System section for complete
Port1 Bit6. (See the Port I/O Sub-System section for complete
Port1 Bit7. (See the Port I/O Sub-System section for complete
Port2 Bit0. (See the Port I/O Sub-System section for complete
Port2 Bit1. (See the Port I/O Sub-System section for complete
Port2 Bit2. (See the Port I/O Sub-System section for complete
Port2 Bit3. (See the Port I/O Sub-System section for complete
Port2 Bit4. (See the Port I/O Sub-System section for complete
Port2 Bit5. (See the Port I/O Sub-System section for complete
Port2 Bit6. (See the Port I/O Sub-System section for complete
Rev. 1.6
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