C8051F131R Silicon Labs, C8051F131R Datasheet - Page 323
![no-image](/images/no-image-200.jpg)
C8051F131R
Manufacturer Part Number
C8051F131R
Description
8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
Manufacturer
Silicon Labs
Datasheet
1.C8051F133R.pdf
(350 pages)
Specifications of C8051F131R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
100 MHz
Program Memory Size
128 KB
Data Ram Size
8.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
9
Data Rom Size
64 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
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Bits 7–0: RCAP2, 3, and 4L: Timer 2, 3, and 4 Capture Register Low Byte.
Bits 7–0: RCAP2, 3, and 4H: Timer 2, 3, and 4 Capture Register High Byte.
Bits 7–0: TL2, 3, and 4: Timer 2, 3, and 4 Low Byte.
SFR Address: RCAP2H: 0xCB; RCAP3H: 0xCB; RCAP4H: 0xCB
SFR Address: RCAP2L: 0xCA; RCAP3L: 0xCA; RCAP4L: 0xCA
SFR Address: TMR2L: 0xCC; TMR3L: 0xCC; TMR4L: 0xCC
SFR Definition 23.11. RCAPnH: Timer 2, 3, and 4 Capture Register High Byte
SFR Definition 23.10. RCAPnL: Timer 2, 3, and 4 Capture Register Low Byte
SFR Page: RCAP2H: page 0; RCAP3H: page 1; RCAP4H: page 2
SFR Page: RCAP2L: page 0; RCAP3L: page 1; RCAP4L: page 2
SFR Page: TMR2L: page 0; TMR3L: page 1; TMR4L: page 2
R/W
R/W
R/W
Bit7
Bit7
Bit7
The RCAP2, 3, and 4L register captures the low byte of Timer 2, 3, and 4 when Timer 2, 3,
and 4 is configured in capture mode. When Timer 2, 3, and 4 is configured in auto-reload
mode, it holds the low byte of the reload value.
The RCAP2, 3, and 4H register captures the high byte of Timer 2, 3, and 4 when Timer 2, 3,
and 4 is configured in capture mode. When Timer 2, 3, and 4 is configured in auto-reload
mode, it holds the high byte of the reload value.
The TL2, 3, and 4 register contains the low byte of the 16-bit Timer 2, 3, and 4
SFR Definition 23.12. TMRnL: Timer 2, 3, and 4 Low Byte
R/W
R/W
R/W
Bit6
Bit6
Bit6
R/W
R/W
R/W
Bit5
Bit5
Bit5
R/W
R/W
Bit4
R/W
Bit4
Bit4
Rev. 1.4
R/W
R/W
Bit3
R/W
Bit3
Bit3
C8051F120/1/2/3/4/5/6/7
R/W
R/W
Bit2
R/W
Bit2
Bit2
C8051F130/1/2/3
R/W
R/W
R/W
Bit1
Bit1
Bit1
R/W
R/W
R/W
Bit0
Bit0
Bit0
00000000
00000000
Reset Value
00000000
Reset Value
Reset Value
323
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