C8051F712-GQ Silicon Laboratories Inc, C8051F712-GQ Datasheet - Page 174
![IC 8051 MCU 8K FLASH 48-TQFP](/photos/12/16/121695/c8051f712-gq_sml.jpg)
C8051F712-GQ
Manufacturer Part Number
C8051F712-GQ
Description
IC 8051 MCU 8K FLASH 48-TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F71xr
Specifications of C8051F712-GQ
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Cap Sense, POR, PWM, Temp Sensor, WDT
Number Of I /o
39
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
32 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Processor Series
C8051F7x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
39
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F700DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Package
48TQFP
Device Core
8051
Family Name
C8051F71x
Maximum Speed
25 MHz
Operating Supply Voltage
1.8|3 V
For Use With
336-1635 - DEV KIT FOR C8051F700
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
336-1644
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F712-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F712-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F70x/71x
SFR Definition 27.3. OSCICN: Internal H-F Oscillator Control
SFR Address = 0xA9; SFR Page = F
174
Name
Reset
1:0
Bit
Type
7
6
5
4
3
2
Bit
SUSPEND
IFCN[1:0]
STSYNC
IOSCEN
Unused
IFRDY
IOSCEN
Name
SSE
R/W
7
1
Internal H-F Oscillator Enable Bit.
0: Internal H-F Oscillator Disabled.
1: Internal H-F Oscillator Enabled.
Internal H-F Oscillator Frequency Ready Flag.
0: Internal H-F Oscillator is not running at programmed frequency.
1: Internal H-F Oscillator is running at programmed frequency.
Internal Oscillator Suspend Enable Bit.
Setting this bit to logic 1 places the internal oscillator in SUSPEND mode. The inter-
nal oscillator resumes operation when one of the SUSPEND mode awakening
events occurs.
Suspend Timer Synchronization Bit.
This bit is used to indicate when it is safe to read and write the registers associated
with the suspend wake-up timer. If a suspend wake-up source other than Timer 3
has brought the oscillator out of suspend mode, it make take up to three timer clocks
before the timer can be read or written.
0: Timer 3 registers can be read safely.
1: Timer 3 register reads and writes should not be performed.
Spread Spectrum Enable.
Spread spectrum enable bit.
0: Spread Spectrum clock dithering disabled.
1: Spread Spectrum clock dithering enabled.
Read = 0b; Write = Don’t Care
Internal H-F Oscillator Frequency Divider Control Bits.
00: SYSCLK derived from Internal H-F Oscillator divided by 8.
01: SYSCLK derived from Internal H-F Oscillator divided by 4.
10: SYSCLK derived from Internal H-F Oscillator divided by 2.
11: SYSCLK derived from Internal H-F Oscillator divided by 1.
IFRDY
R
6
1
SUSPEND
R/W
5
0
STSYNC
Rev. 1.0
R
4
0
Function
SSE
R/W
3
0
R
2
0
1
0
IFCN[1:0]
R/W
0
0
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