C8051F531-ITR Silicon Labs, C8051F531-ITR Datasheet - Page 138
C8051F531-ITR
Manufacturer Part Number
C8051F531-ITR
Description
8-bit Microcontrollers - MCU 8KB 12ADC 125C 20Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F536-ITR.pdf
(220 pages)
Specifications of C8051F531-ITR
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
8 KB
Data Ram Size
256 B
On-chip Adc
Yes
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
16
Interface Type
SPI, UART
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
3
On-chip Dac
No
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
2500
Supply Voltage - Max
2.7 V, 5.25 V
Supply Voltage - Min
2 V, 2.7 V
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C8051F52x/F53x
SFR Definition 14.2. OSCICL: Internal Oscillator Calibration
SFR Definition 14.3. OSCIFIN: Internal Fine Oscillator Calibration
138
Bit7:
Bits6–0: OSCICL: Internal Oscillator Calibration Register.
Bits7–6: UNUSED. Read = 00b, Write = don't care.
Bits5–0: OSCIFIN. Internal oscillator fine adjustment bits.
R/W
Bit7
—
Bit7
—
R
UNUSED. Read = 0b. Write = don’t care.
This register determines the internal oscillator period. On C8051F52x/53x devices, the reset
value is factory calibrated to generate an internal oscillator frequency of 24.5 MHz.
The valid range is between 0x00 and 0x27.
This register is a fine adjustment for the internal oscillator period. On
C8051F52x/52xA/53x/53xA devices, the reset value is factory calibrated to generate an
internal oscillator frequency of 24.5 MHz.
R/W
Bit6
—
R/W
Bit6
R/W
Bit5
R/W
Bit5
Bit4
R/W
Bit4
R
OSCICL
Rev. 1.4
Bit3
R/W
Bit3
R
OSCIFIN
R/W
Bit2
R/W
Bit2
R/W
Bit1
R/W
Bit1
SFR Address:
SFR Address:
R/W
Bit0
R/W
Bit0
undetermined
Bit Addressable
Reset Value
Reset Value
Varies
0xB0
0xB3
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