C8051F230-GQ Silicon Laboratories Inc, C8051F230-GQ Datasheet - Page 98

• Manufacturer Part Number: C8051F230-GQ
• Description: IC 8051 MCU 8K FLASH 48TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F2xxr

Specifications of C8051F230-GQ

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 48-TQFP, 48-VQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 32
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• 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
• 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
• No. Of I/o's: 32
• Ram Memory Size: 256Byte
• Cpu Speed: 25MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Package: 48TQFP
• Device Core: 8051
• Family Name: C8051F2xx
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1242

C8051F2xx
Table 13.1. Internal Oscillator Electrical Characteristics
–40 to +85 ×C unless otherwise specified.
98
Internal Oscillator Frequency
Internal Oscillator Current Consumption OSCICN.2 = 1
Internal Oscillator Temperature Stability
Internal Oscillator Power Supply (V
Stability
MSCLKE
Bit7:
Bits6–5: UNUSED. Read = 00b, Write = don't care
Bit4:
Bit3:
Bit2:
Bits1–0: IFCN1-0: Internal Oscillator Frequency Control Bits
R/W
Bit7
MSCLKE: Missing Clock Enable Bit
0: Missing Clock Detector Disabled
1: Missing Clock Detector Enabled; triggers a reset if a missing clock is detected
IFRDY: Internal Oscillator Frequency Ready Flag
0: Internal Oscillator Frequency not running at speed specified by the IFCN bits.
1: Internal Oscillator Frequency running at speed specified by the IFCN bits.
CLKSL: System Clock Source Select Bit
0: Uses Internal Oscillator as System Clock.
1: Uses External Oscillator as System Clock.
IOSCEN: Internal Oscillator Enable Bit
0: Internal Oscillator Disabled
1: Internal Oscillator Enabled
00: Internal Oscillator typical frequency is 2 MHz.
01: Internal Oscillator typical frequency is 4 MHz.
10: Internal Oscillator typical frequency is 8 MHz.
11: Internal Oscillator typical frequency is 16 MHz.
Parameter
R/W
Bit6
SFR Definition 13.1. OSCICN: Internal Oscillator Control
-
R/W
Bit5
-
DD
IFRDY
)
R/W
Bit4
OSCICN.[1:0] = 00
OSCICN.[1:0] = 01
OSCICN.[1:0] = 10
OSCICN.[1:0] = 11
Conditions
CLKSL
Rev. 1.6
R/W
Bit3
IOSCEN
R/W
Bit2
Min
1.5
3.0
6.0
12
—
—
—
IFCN1
R/W
Bit1
Typ
200
2.0
4.0
8.0
6.4
16
4
IFCN0
R/W
Bit0
Max
2.5
5.0
10
20
—
—
—
SFR Address:
Reset Value
00000100
0xB2
ppm/  C
Units
MHz
%/V
µA