C8051F130 Silicon Laboratories Inc, C8051F130 Datasheet - Page 170
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C8051F130
Manufacturer Part Number
C8051F130
Description
IC 8051 MCU 128K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F13xr
Specifications of C8051F130
Core Processor
8051
Core Size
8-Bit
Speed
100MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
64
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
336-1147
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Bits 7 – 6: UNUSED: Read = 00b, Write = don’t care.
Bit 5:
Bit 4:
Bit 3:
Bit 2:
Bit 1:
Bit 0:
Note:
Bit7
R
-
MAC0SC: Accumulator Shift Control.
When set to 1, the 40-bit MAC0 Accumulator register will be shifted during the next SYSCLK
cycle. The direction of the shift (left or right) is controlled by the MAC0RS bit.
This bit is cleared to ‘0’ by hardware when the shift is complete.
MAC0SD: Accumulator Shift Direction.
This bit controls the direction of the accumulator shift activated by the MAC0SC bit.
0: MAC0 Accumulator will be shifted left.
1: MAC0 Accumulator will be shifted right.
MAC0CA: Clear Accumulator.
This bit is used to reset MAC0 before the next operation.
When set to ‘1’, the MAC0 Accumulator will be cleared to zero and the MAC0 Status regis-
ter will be reset during the next SYSCLK cycle.
This bit will be cleared to ‘0’ by hardware when the reset is complete.
MAC0SAT: Saturate Rounding Register.
This bit controls whether the Rounding Register will saturate. If this bit is set and a Soft
Overflow occurs, the Rounding Register will saturate. This bit does not affect the operation
of the MAC0 Accumulator. See Section 12.6 for more details about rounding and saturation.
0: Rounding Register will not saturate.
1: Rounding Register will saturate.
MAC0FM: Fractional Mode.
This bit selects between Integer Mode and Fractional Mode for MAC0 operations.
0: MAC0 operates in Integer Mode.
1: MAC0 operates in Fractional Mode.
MAC0MS: Mode Select
This bit selects between MAC Mode and Multiply Only Mode.
0: MAC (Multiply and Accumulate) Mode.
1: Multiply Only Mode.
The contents of this register should not be changed by software during the first two MAC0
pipeline stages.
Bit6
R
-
SFR Definition 12.1. MAC0CF: MAC0 Configuration
MAC0SC MAC0SD MAC0CA MAC0SAT MAC0FM MAC0MS 00000000
R/W
Bit5
R/W
Bit4
Rev. 1.4
R/W
Bit3
R/W
Bit2
R/W
Bit1
SFR Address: 0xC3
SFR Page: 3
R/W
Bit0
Reset Value
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