C8051F124TB Silicon Laboratories Inc, C8051F124TB Datasheet - Page 65

• Manufacturer Part Number: C8051F124TB
• Description: MCU, MPU & DSP Development Tools With C8051F124 MCU
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F124TB

• Processor To Be Evaluated: C8051F12x and C8051F13x
• Interface Type: USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

VREF x (4095/4096)
VREF x (2047/4096)
VREF x (2047/2048)
–VREF x (1/2048)
12-bit ADC0 Data Word appears in the ADC0 Data Word Registers as follows:
ADC0H[3:0]:ADC0L[7:0], if AD0LJST = 0
=
ADC0H[7:0]:ADC0L[7:4], if AD0LJST = 1
Example: ADC0 Data Word Conversion Map, AIN0.0 Input in Single-Ended Mode
Example: ADC0 Data Word Conversion Map, AIN0.0-AIN0.1 Differential Input Pair
For AD0LJST = 0:
Code
VREF x (1/2048)
AIN0.0–AIN0.1
AIN0.0–AGND
–VREF / 2
VREF / 2
VREF / 2
–VREF
(Volts)
(Volts)
=
0
0
(ADC0H[7:4] will be sign-extension of ADC0H.3 for a differential reading, otherwise
0000b).
(ADC0L[3:0] = 0000b).
(AMX0CF = 0x00, AMX0SL = 0x00)
(AMX0CF = 0x01, AMX0SL = 0x00)
Vin

Figure 5.5. ADC0 Data Word Example
-------------- -
VREF
Gain
0xFC00 (–1024d)
0xF800 (–2048d)
ADC0H:ADC0L
ADC0H:ADC0L
(AD0LJST = 0)
(AD0LJST = 0)
0xFFFF (–1d)

0x0FFF
0x07FF
0x0000
0x07FF
0x0000
0x0800
0x0400
0x0001
2
n
; ‘n’ = 12 for Single-Ended; ‘n’=11 for Differential.
Rev. 1.4
C8051F120/1/2/3/4/5/6/7
ADC0H:ADC0L
ADC0H:ADC0L
(AD0LJST = 1)
(AD0LJST = 1)
0xFFF0
0xFFF0
0xC000
0x8000
0x7FF0
0x0000
0x7FF0
0x4000
0x0010
0x0000
0x8000
C8051F130/1/2/3
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