C8051F010 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

C8051F010

Mixed-Signal 32KB ISP FLASH MCU Family

Unspecified 

C8051F000/1/2/5/6/7

C8051F010/1/2/5/6/7

PRELIMINARY

Figure 5.14. 12-Bit ADC Window Interrupt Examples, Right Justified Data

Input Voltage

(AD0 - AGND)

REF x (4095/4096)

ADC Data

Word

0x0FFF

ADWINT

not affected

REF x (512/4096)

REF x (256/4096)

0x0201

0x0200

0x01FF

0x0101

0x0100

0x00FF

ADC0LTH:ADC0LTL

ADWINT=1

ADC0GTH:ADC0GTL

Input Voltage

(AD0 - AGND)

REF x (4095/4096)

ADC Data

Word

0x0FFF

ADWINT=1

REF x (512/4096)

REF x (256/4096)

0x0201

0x0200

0x01FF

0x0101

0x0100

0x00FF

ADC0GTH:ADC0GTL

ADWINT

not affected

ADC0LTH:ADC0LTL

ADWINT

not affected

0

0x0000

ADWINT=1

0

0x0000

Given:

AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,

ADC0LTH:ADC0LTL = 0x0200,

ADC0GTH:ADC0GTL = 0x0100.

An ADC End of Conversion will cause an ADC Window

Compare Interrupt (ADWINT=1) if the resulting ADC Data

Word is < 0x0200 and > 0x0100.

Given:

AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,

ADC0LTH:ADC0LTL = 0x0100,

ADC0GTH:ADC0GTL = 0x0200.

An ADC End of Conversion will cause an ADC Window

Compare Interrupt (ADWINT=1) if the resulting ADC

Data Word is < 0x0100 or > 0x0200.

Input Voltage

(AD0 - AD1)

REF x (2047/2048)

ADC Data

Word

0x07FF

ADWINT

not affected

REF x (256/2048)

REF x (-1/2048)

0x0101

0x0100

0x00FF

0x0000

0xFFFF

0xFFFE

ADC0LTH:ADC0LTL

ADWINT=1

ADC0GTH:ADC0GTL

Input Voltage

(AD0 - AD1)

REF x (2047/2048)

ADC Data

Word

0x07FF

ADWINT=1

REF x (256/2048)

REF x (-1/2048)

0x0101

0x0100

0x00FF

0x0000

0xFFFF

0xFFFE

ADC0GTH:ADC0GTL

ADWINT

not affected

ADC0LTH:ADC0LTL

-REF

0xF800

ADWINT

not affected

-REF

0xF800

ADWINT=1

Given:

AMX0SL = 0x00, AMX0CF = 0x01, ADLJST = 0,

ADC0LTH:ADC0LTL = 0x0100,

ADC0GTH:ADC0GTL = 0xFFFF.

An ADC End of Conversion will cause an ADC Window

Compare Interrupt (ADWINT=1) if the resulting ADC Data

Word is < 0x0100 and > 0xFFFF. (Two’s Complement

math, 0xFFFF = -1.)

Given:

AMX0SL = 0x00, AMX0CF = 0x01, ADLJST = 0,

ADC0LTH:ADC0LTH = 0xFFFF,

ADC0GTH:ADC0GTL = 0x0100.

An ADC End of Conversion will cause an ADC Window

Compare Interrupt (ADWINT=1) if the resulting ADC Data

Word is < 0xFFFF or > 0x0100. (Two’s Complement

math, 0xFFFF = -1.)

4.2001; Rev. 1.3

CYGNAL Integrated Products, Inc.  2001

Page 37

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