ADUC7023BCBZ62I-R7 datasheet(72/98 Pages) AD

72 / 98 page

ADuC7023

Data Sheet

Rev. H | Page 72 of 98

Table 80. Feedback Configuration

Bit

Value

PLAELM0

PLAELM1 to PLAELM7

PLAELM8

PLAELM9 to PLAELM15

10 to 9

Element 15

Element 0

Element 7

Element 8

Element 2

Element 10

Element 4

Element 12

Element 6

Element 14

8 to 7

Element 1

Element 9

Element 3

Element 11

Element 5

Element 13

Element 7

Element 15

PLAADC Register

Name:

PLAADC

Address:

0xFFFF0B48

Default value:

0x00000000

Access:

Read/write

Function:

PLAADC is the PLA source for the ADC start

conversion signal.

Table 81. PLAADC MMR Bit Descriptions

Bit

Value

Description

31 to 5

Reserved.

ADC start conversion enable bit.

This bit is set by the user to enable ADC

start conversion from PLA.

This bit is cleared by the user to disable ADC

start conversion from PLA.

3 to 0

ADC start conversion source.

0000

PLA Element 0.

0001

PLA Element 1.

0010

PLA Element 2.

0011

PLA Element 3.

0100

PLA Element 4.

0101

PLA Element 5.

0110

PLA Element 6.

0111

PLA Element 7.

1000

PLA Element 8.

1001

PLA Element 9.

1010

PLA Element 10.

1011

PLA Element 11.

1100

PLA Element 12.

1101

PLA Element 13.

1110

PLA Element 14.

1111

PLA Element 15.

PLADIN Register

Name:

PLADIN

Address:

0xFFFF0B4C

Default value:

0x00000000

Access:

Read/write

Function:

PLADIN is a data input MMR for PLA.

Table 82. PLADIN MMR Bit Descriptions

Bit

Description

31 to 16

Reserved.

15 to 0

Input bit to Element 15 to Element 0.

PLADOUT Register

Name:

PLADOUT

Address:

0xFFFF0B50

Default value:

0x00000000

Access:

Read

Function:

PLADOUT is a data output MMR for PLA.

This register is always updated.

Table 83. PLADOUT MMR Bit Descriptions

Bit

Description

31 to 16

Reserved.

15 to 0

Output bit from Element 15 to Element 0.

PLALCK Register

Name:

PLALCK

Address:

0xFFFF0B54

Default value:

0x00

Access:

Write

Function:

PLALCK is a PLA lock option. Bit 0 is written

only once. When set, it does not allow

modifying any of the PLA MMRs, except

PLADIN. A PLA tool is provided in the

development system to easily configure PLA.

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