AS3911 datasheet(117/149 Pages) AMSCO

117 / 149 page

ams Datasheet, Confidential: 2013-Oct [2-03]

AS3911 – 117

Appl icatio n I n f o rm a t i o n

Capacitance Measurement Display Register

Figure 113:

Capacitance Measurement Display Register

Note:

At power-up and after Set Default command, content of this register is set to 0.

IC Identity Register

Figure 114:

IC Identity Register

IC Identity Register: This table depicts the details of the IC identity register for AS3911.

Address 3Dh: Capacitance Measurement Display Register

Type: R

Bit

Name

Default

Function

Comments

7cm_amd7

6cm_amd6

5cm_amd5

4cm_amd4

3cm_amd3

2cm_amd2

1cm_amd1

0cm_amd0

Address 3Fh: IC Identity Register

Type: R

Bit

Name

Default

Function

Comments

7ic_type4

Code for AS3911: 00001

5 bit IC type code

6ic_type3

5ic_type2

4ic_type1

3ic_type0

2ic_rev2

001

3 bit IC revision code, 001 is

code for silicon r2.0, versions

previous to r2.0 do not have

this register implemented.

1ic_rev1

0ic_rev0

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