C8051F021-GQ Silicon Laboratories Inc, C8051F021-GQ Datasheet - Page 132

IC 8051 MCU 64K FLASH 64TQFP

C8051F021-GQ

Manufacturer Part Number
C8051F021-GQ
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Datasheets

Specifications of C8051F021-GQ

Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
64-TQFP, 64-VQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
32
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F0x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
32
Number Of Timers
4
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
C8051F020DK
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 8-bit or 8-ch x 12-bit
On-chip Dac
2-ch x 12-bit
No. Of I/o's
32
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
5
No. Of Pwm Channels
5
Rohs Compliant
Yes
Data Rom Size
64 KB
A/d Bit Size
12 bit
A/d Channels Available
8
Height
1.05 mm
Length
10 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1200 - DEV KIT FOR F020/F021/F022/F023
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1201

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Part Number:
C8051F021-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F021-GQR
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Part Number:
C8051F021-GQR
Manufacturer:
Silicon Laboratories Inc
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10 000
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C8051F021-GQR
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Quantity:
20 000
Part Number:
C8051F021-GQR
0
C8051F020/1/2/3
132
(Note: Do not use read-modify-write operations on this register.)
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
Bit7
R
-
Reserved.
CNVRSEF: Convert Start Reset Source Enable and Flag
Write:
Read:
C0RSEF: Comparator0 Reset Enable and Flag
Write:
Read:
SWRSF: Software Reset Force and Flag
Write:
Read:
WDTRSF: Watchdog Timer Reset Flag
MCDRSF: Missing Clock Detector Flag
PORSF: Power-On Reset Force and Flag
Write:
Read:
PINRSF: HW Pin Reset Flag
CNVRSEF C0RSEF
R/W
Bit6
1: CNVSTR is a reset source (active low).
0: Source of prior reset was not CNVSTR.
1: Source of prior reset was CNVSTR.
1: Comparator0 is a reset source (active low).
1: Source of prior reset was Comparator0.
0: No Effect.
1: Forces an internal reset. /RST pin is not affected.
0: Prior reset source was not a write to the SWRSF bit.
1: Prior reset source was a write to the SWRSF bit.
0: Source of prior reset was not WDT timeout.
1: Source of prior reset was WDT timeout.
0: Source of prior reset was not Missing Clock Detector timeout.
1: Source of prior reset was Missing Clock Detector timeout.
0: No effect.
1: Forces a Power-On Reset. /RST is driven low.
0: Source of prior reset was not POR.
1: Source of prior reset was POR.
0: Source of prior reset was not /RST pin.
1: Source of prior reset was /RST pin.
0: CNVSTR is not a reset source.
0: Comparator0 is not a reset source.
0: Source of prior reset was not Comparator0.
Figure 13.4. RSTSRC: Reset Source Register
R/W
Bit5
SWRSEF WDTRSF MCDRSF
R/W
Bit4
Rev. 1.4
Bit3
R
Bit2
R
PORSF
R/W
Bit1
PINRSF
Bit0
R
SFR Address:
Reset Value
Variable
0xEF

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