MC68HC812A4 Datasheet, PDF(297/342 Page) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

MC68HC812A4 Datasheet, PDF (297/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

◁

Advance Information

MOTOROLA

Analog-to-Digital Converter (ATD)

Registers and Reset Initialization

Table 16-4. Multichannel Mode Result Register Assignment(1)

S8CM

0

0

1

1

CD CC CB CA

0* 0*

0* 1*

0

1* 0*

1* 1*

0

0* 0*

0* 1*

1

1* 0*

1* 1*

0* 0*

0* 1*

0

1* 0*

1* 1*

1

0* 0*

0* 1*

1

1* 0*

1* 1*

0* 0*

0* 1*

0*

1* 0*

1* 1*

0

0* 0*

0* 1*

1*

1* 0*

1* 1*

0* 0*

0* 1*

0*

1* 0*

1* 1*

1

0* 0*

0* 1*

1*

1* 0*

1* 1*

Channel Input

AN0

AN1

AN2

AN3

AN4

AN5

AN6

AN7

Reserved

Reserved

Reserved

Reserved

VRH

VRL

(VRH + VRL)/2

Test/Reserved

AN0

AN1

AN2

AN3

AN4

AN5

AN6

AN7

Reserved

Reserved

Reserved

Reserved

VRH

VRL

(VRH + VRL)/2

Test/Reserved

Result in ADRxH

ADRxH0

ADRxH1

ADRxH2

ADRxH3

ADRxH0

ADRxH1

ADRxH2

ADRxH3

ADRxH0

ADRxH1

ADRxH2

ADRxH3

ADRxH0

ADRxH1

ADRxH2

ADRxH3

ADRxH0

ADRxH1

ADRxH2

ADRxH3

ADRxH4

ADRxH5

ADRxH6

ADRxH7

ADRxH0

ADRxH1

ADRxH2

ADRxH3

ADRxH4

ADRxH5

ADRxH6

ADRxH7

1. When MULT = 1, bits with asterisks are donât care bits. The 4-conversion sequence from

AN0 to AN3 or the 8-conversion sequence from AN0 to AN7 is completed in the order

shown.

When MULT = 0, the CD, CC, CB, and CA bits select one input channel. The conversion

sequence is performed on this channel only.

Analog-to-Digital Converter (ATD)

MC68HC812A4 â Rev. 3.0

297

▷