C8051F127 Silicon Laboratories Inc, C8051F127 Datasheet - Page 174
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C8051F127
Manufacturer Part Number
C8051F127
Description
IC 8051 MCU 128K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F12xr
Specifications of C8051F127
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
32
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x10b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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C8051F127
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SILICON
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C8051F127
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Silicon Laboratories Inc
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MICROCHIP
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Silicon Laboratories Inc
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C8051F127-GQR
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Silicon Laboratories Inc
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C8051F127-GQR
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SILICON LABS/芯科
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20 000
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C8051F127R
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Silicon Laboratories Inc
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10 000
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C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
174
Bits 7 – 0: Byte 0 (bits 7 – 0) of MAC0 Accumulator.
*Note:
Bits 7 – 0: MAC0 Accumulator Overflow Bits (bits 39 – 32).
*Note:
Bits 7 – 0: High Byte (bits 15 – 8) of MAC0 Rounding Register.
Bit7
Bit7
Bit7
R
R
R
SFR Definition 12.12. MAC0RNDH: MAC0 Rounding Register High Byte
The contents of this register should not be changed by software during the first two MAC0 pipeline stages.
The contents of this register should not be changed by software during the first two MAC0 pipeline stages.
SFR Definition 12.11. MAC0OVR: MAC0 Accumulator Overflow
SFR Definition 12.10. MAC0ACC0: MAC0 Accumulator Byte 0
Bit6
Bit6
Bit6
R
R
R
Bit5
Bit5
Bit5
R
R
R
Bit4
Bit4
Bit4
R
R
R
Rev. 1.4
Bit3
Bit3
Bit3
R
R
R
Bit2
Bit2
Bit2
R
R
R
Bit1
Bit1
Bit1
R
R
R
SFR Address: 0x93
SFR Address: 0x97
SFR Address: 0xCF
SFR Page: 3
SFR Page: 3
SFR Page: 3
Bit0
Bit0
Bit0
R
R
R
00000000
00000000
Reset Value
Reset Value
00000000
Reset Value
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