C8051F553-IM Silicon Laboratories Inc, C8051F553-IM Datasheet - Page 159
![IC 8051 MCU 32K FLASH 24-QFN](/photos/12/15/121587/c8051f9xx_24-qfn_sml.jpg)
C8051F553-IM
Manufacturer Part Number
C8051F553-IM
Description
IC 8051 MCU 32K FLASH 24-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F55xr
Specifications of C8051F553-IM
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
24-QFN
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
18
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 18x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2304 B
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
18
Operating Supply Voltage
1.8 V to 5.25 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F540DK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1691 - KIT DEVELOPMENT FOR C8051F560
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1686-5
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SFR Definition 18.3. OSCICRS: Internal Oscillator Coarse Calibration
SFR Address = 0xA2; SFR Page = 0x0F
SFR Definition 18.4. OSCIFIN: Internal Oscillator Fine Calibration
SFR Address = 0x9E; SFR Page = 0x0F
Name
Reset
Reset
Bit
6:0
Bit
7:6
5:0
Type
Type
7
Bit
Bit
OSCIFIN[5:0] Internal Oscillator Fine Calibration Bits.
OSCICRS[6:0]
Unused
Name
Unused
Name
R
R
7
0
7
0
Read = 00b; Write = Don’t Care
These bits are fine adjustment for the internal oscillator period. The reset value is
factory calibrated to generate an internal oscillator frequency of 24 MHz.
Varies
Read = 0; Write = Don’t Care
Internal Oscillator Coarse Calibration Bits.
These bits determine the internal oscillator period. When set to 0000000b, the
internal oscillator operates at its slowest setting. When set to 1111111b, the inter-
nal oscillator operates at its fastest setting. The reset value is factory calibrated
to generate an internal oscillator frequency of 24 MHz.
R
6
6
0
Varies
Varies
5
5
Varies
Varies
Rev. 1.1
4
4
OSCICRS[6:0]
Function
Varies
Varies
Function
R/W
3
3
OSCIFIN[5:0]
C8051F55x/56x/57x
R/W
Varies
Varies
2
2
Varies
Varies
1
1
Varies
Varies
0
0
159
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