C8051F122 Silicon Laboratories Inc, C8051F122 Datasheet - Page 195
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C8051F122
Manufacturer Part Number
C8051F122
Description
IC 8051 MCU FLASH 128K 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F12xr
Specifications of C8051F122
Core Processor
8051
Core Size
8-Bit
Speed
100MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
64
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x10b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
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Quantity
Price
Company:
Part Number:
C8051F122
Manufacturer:
Silicon Laboratories Inc
Quantity:
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Part Number:
C8051F122
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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Part Number:
C8051F122-GQ
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SiliconL
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219
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C8051F122-GQ
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Silicon Laboratories Inc
Quantity:
10 000
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Part Number:
C8051F122-GQR
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Silicon Laboratories Inc
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10 000
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Part Number:
C8051F122R
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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–40 to +85 °C unless otherwise specified
*Note: The maximum operating frequency of the C8051F124/5/6/7 is 50 MHz
Bits 7–6: UNUSED: Read = 00b; Write = don’t care.
Bits 5–4: PLLICO1-0: PLL Current-Controlled Oscillator Control Bits.
Bits 3–0: PLLLP3-0: PLL Loop Filter Control Bits.
R/W
Bit7
(Divided Reference Frequency)
-
PLL Output Frequency
Selection is based on the desired output frequency, according to the following table:
Selection is based on the divided PLL reference clock, according to the following table:
Input Frequency
Divided PLL Reference Clock
Parameter
R/W
Bit6
-
PLL Output Clock
12.2–19.5 MHz
7.8–12.5 MHz
65–100 MHz
PLLICO1 PLLICO0
Table 14.2. PLL Frequency Characteristics
45–80 MHz
30–60 MHz
25–50 MHz
19–30 MHz
SFR Definition 14.8. PLL0FLT: PLL Filter
5–8 MHz
R/W
Bit5
R/W
Bit4
PLLLP3
Rev. 1.4
Conditions
R/W
Bit3
C8051F120/1/2/3/4/5/6/7
PLLLP2
R/W
Bit2
PLLICO1-0
PLLLP3-0
0001
0011
0111
1111
00
01
10
11
C8051F130/1/2/3
PLLLP1
Min
25
5
R/W
Bit1
Typ
SFR Address:
PLLLP0 00110001
SFR Page:
R/W
Bit0
100*
Max
30
0x8F
F
Reset Value
Units
MHz
MHz
195
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