CS61881-IB View Datasheet(PDF) - Cirrus Logic

Part Name

Description

View to exact match

CS61881-IB

Octal E1 Analog Front End

Cirrus Logic 

CS61881

TDI

TCK

TRSTB

TMS

Digital output pins Digital input pins

parallel latched

output

Boundary Scan Data Register

Device ID Data Register

Bypass Data Register

Instruction (shift) Register

parallel latched

output

TAP

Controller

JTAG Block

MUX

TDO

Figure 5. Test Access Port Architecture

1

Test-Logic-Reset

0

1

0

Run-Test/Idle

Select-DR-Scan 1

0

1

Capture-DR

0

Shift-DR

0

1

1

Exit1-DR

0

Pause-DR

0

1

0

Exit2-DR

1

Update-DR

1

0

Select-IR-Scan

0

1

Capture-IR

0

Shift-IR

1

Exit1-IR

0

Pause-IR

1

0

Exit2-IR

1

Update-IR

1

0

1

0

1

0

Figure 6. TAP Controller State Diagram

DS451PP3

11

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