C8051F021-GQ Silicon Laboratories Inc, C8051F021-GQ Datasheet - Page 5

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:
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Quantity:
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Quantity:
22
17. PORT INPUT/OUTPUT .....................................................................................................161
18. SYSTEM MANAGEMENT BUS / I2C BUS (SMBUS0) .................................................183
16.1. Accessing XRAM..........................................................................................................145
16.2.Configuring the External Memory Interface .................................................................146
16.3.Port Selection and Configuration ..................................................................................146
16.4. Multiplexed and Non-multiplexed Selection.................................................................148
16.5.Memory Mode Selection ...............................................................................................150
16.6.Timing
17.1.Ports 0 through 3 and the Priority Crossbar Decoder....................................................163
17.2.Ports 4 through 7 (C8051F020/2 only)..........................................................................177
18.1.Supporting Documents ..................................................................................................184
18.2.SMBus Protocol.............................................................................................................185
16.1.1. 16-Bit MOVX Example.......................................................................................145
16.1.2. 8-Bit MOVX Example.........................................................................................145
16.4.1. Multiplexed Configuration ..................................................................................148
16.4.2. Non-multiplexed Configuration...........................................................................149
16.5.1. Internal XRAM Only ...........................................................................................150
16.5.2. Split Mode without Bank Select ..........................................................................150
16.5.3. Split Mode with Bank Select ...............................................................................151
16.5.4. External Only .......................................................................................................151
16.6.1. Non-multiplexed Mode........................................................................................153
16.6.2. Multiplexed Mode................................................................................................156
17.1.1. Crossbar Pin Assignment and Allocation ............................................................163
17.1.2. Configuring the Output Modes of the Port Pins ..................................................164
17.1.3. Configuring Port Pins as Digital Inputs ...............................................................165
17.1.4. External Interrupts (IE6 and IE7) ........................................................................165
17.1.5. Weak Pull-ups......................................................................................................165
17.1.6. Configuring Port 1 Pins as Analog Inputs (AIN1.[7:0])......................................165
17.1.7. External Memory Interface Pin Assignments ......................................................166
17.1.8. Crossbar Pin Assignment Example......................................................................168
17.2.1. Configuring Ports which are not Pinned Out.......................................................177
17.2.2. Configuring the Output Modes of the Port Pins ..................................................177
17.2.3. Configuring Port Pins as Digital Inputs ...............................................................178
17.2.4. Weak Pull-ups......................................................................................................178
17.2.5. External Memory Interface ..................................................................................178
18.2.1. Arbitration............................................................................................................185
18.2.2. Clock Low Extension...........................................................................................185
18.2.3. SCL Low Timeout ...............................................................................................186
18.2.4. SCL High (SMBus Free) Timeout.......................................................................186
16.6.1.1.16-bit MOVX: EMI0CF[4:2] = ‘101’, ‘110’, or ‘111’................................153
16.6.1.2.8-bit MOVX without Bank Select: EMI0CF[4:2] = ‘101’ or ‘111’............154
16.6.1.3.8-bit MOVX with Bank Select: EMI0CF[4:2] = ‘110’. ..............................155
16.6.2.1.16-bit MOVX: EMI0CF[4:2] = ‘001’, ‘010’, or ‘011’................................156
16.6.2.2.8-bit MOVX without Bank Select: EMI0CF[4:2] = ‘001’ or ‘011’............157
16.6.2.3.8-bit MOVX with Bank Select: EMI0CF[4:2] = ‘010’. ..............................158
.......................................................................................................................151
Rev. 1.4
C8051F020/1/2/3
5

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