C8051F021-GQ Silicon Laboratories Inc, C8051F021-GQ Datasheet - Page 126

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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C8051F020/1/2/3
126
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
SMOD0
R/W
Bit7
SMOD0: UART0 Baud Rate Doubler Enable.
This bit enables/disables the divide-by-two function of the UART0 baud rate logic for configurations
described in the UART0 section.
0: UART0 baud rate divide-by-two enabled.
1: UART0 baud rate divide-by-two disabled.
SSTAT0: UART0 Enhanced Status Mode Select.
This bit controls the access mode of the SM20-SM00 bits in register SCON0.
0: Reads/writes of SM20-SM00 access the SM20-SM00 UART0 mode setting.
1: Reads/writes of SM20-SM00 access the Framing Error (FE0), RX Overrun (RXOV0), and TX
Collision (TXCOL0) status bits.
Reserved. Read is undefined. Must write 0.
SMOD1: UART1 Baud Rate Doubler Enable.
This bit enables/disables the divide-by-two function of the UART1 baud rate logic for configurations
described in the UART1 section.
0: UART1 baud rate divide-by-two enabled.
1: UART1 baud rate divide-by-two disabled.
SSTAT1: UART1 Enhanced Status Mode Select.
This bit controls the access mode of the SM21-SM01 bits in SCON1.
0: Reads/writes of SM21-SM01 access the SM21-SM01 UART1 mode setting.
1: Reads/writes of SM21-SM01 access the Framing Error (FE1), RX Overrun (RXOV1), and TX
Collision (TXCOL1) status bits.
Reserved. Read is undefined. Must write 0.
STOP: STOP Mode Select.
Writing a ‘1’ to this bit will place the CIP-51 into STOP mode. This bit will always read ‘0’.
1: CIP-51 forced into power-down mode. (Turns off internal oscillator).
IDLE: IDLE Mode Select.
Writing a ‘1’ to this bit will place the CIP-51 into IDLE mode. This bit will always read ‘0’.
1: CIP-51 forced into idle mode. (Shuts off clock to CPU, but clock to Timers, Interrupts, and all
peripherals remain active.)
SSTAT0
R/W
Bit6
Reserved
R/W
Bit5
Figure 12.15. PCON: Power Control
SMOD1
R/W
Bit4
SSTAT1
Rev. 1.4
R/W
Bit3
Reserved
R/W
Bit2
STOP
R/W
Bit1
IDLE
R/W
Bit0
SFR Address:
00000000
Reset Value
0x87

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