M21050 datasheet(31/70 Pages) MA-COM

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Registers

21050-DSH-001-F

Mindspeed Technologies™

Mindspeed Proprietary and Confidential

2.1.4

External Reference Frequency Divider Control (RFD)

2.1.5

Master Chip Reset

2.1.6

IC Electronic Identification

2.1.7

IC Revision Code

Table 2-4. External Reference Frequency Divider Control (RFD) (Refclk_ctrl: Address 04h)

Bits

Type

Default

Label

Description

7:4

R/W

0000b

Reserved

N/A

3:1

R/W

000b

ref_divr

Sets the divider ratio to scale down RefClk to the internal rate for FRA/

LOA

000b: RFD = 1

001b: RFD = 2

010b: RFD = 4

011b: RFD = 8

100b: RFD = 12

101b: RFD = 16

110b: RFD = 32

R/W

MSPD internal

N/A

Table 2-5. Master Chip Reset (Mastreset: Address 05h)

Bits

Type

Default

Label

Description

7:0

R/W

00000000b

rst

Same feature as hardware xRST. Resets the entire IC

AAh: Reset upon write to this register with AAh

00h: Normal operation

Note: All other values are ignored.

Table 2-6. IC Electronic ID (Chipcode: Address 06h)

Bits

Type

Default

Label

Description

7:0

19h

chipcode

This register contains the chipcode of this IC.

Table 2-7. IC Revision Code (Revcode: Address 07h)

Bits

Type

Default

Label

Description

7:0

20h

revcode

This register contains the revision of the IC.

M21050 Datasheet(PDF) 31 Page - M/A-COM Technology Solutions, Inc.

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