C8051F120-TB Silicon Laboratories Inc, C8051F120-TB Datasheet - Page 195

• Manufacturer Part Number: C8051F120-TB
• Description: BOARD PROTOTYPING W/C8051F120
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F120-TB

• Contents: Board
• Processor To Be Evaluated: C8051F12x and C8051F13x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F120
• Silicon Family Name: C8051F12x
• Kit Contents: Board
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F120
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

–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