28478-DSH-002-E Datasheet, PDF (40/195 Pages) M/A-COM Technology Solutions, Inc. – Multichannel Synchronous Communications

Table 1-4. CN8478 Hardware Signal Definitions (6 of 6)
MQFP
Pin No.
Pin Label
Signal Name
I/O
Definition
35
TCK
36
TRST*⁽¹⁾
37
TMS⁽¹⁾
38
39
112–114
TDO
TDI⁽¹⁾
TM[0]⁽⁵⁾
TM[1]⁽⁵⁾
TM[2]⁽⁵⁾
JTAG Clock
JTAG Reset
JTAG Mode Select
JTAG Data Output
JTAG Data Input
Test Mode
I
Clock in the TDI and TMS signals and clock out TDO signal.
I
An active-low input that resets the JTAG state machine. This pin should be
pulled low in normal operation.
I
The test signal input decoded by the TAP controller to control test
operations.
t/s O The test signal that transmits serial test instructions and tests data.
I
The test signal that receives serial test instructions and tests data.
I
Encodes test modes.
TM[0]
0
1
TM[1]
0
1
TM[2]
0
1
Normal Operation. Tie to ground.
All outputs three-stated.
(2)
VDDc
Power
VDDi⁽³⁾
VDDo
VGG
(3)
VSS⁽³⁾
Ground
VSSo
— 19 pins are provided for power. Four VDDc (core), four VDDi (input), nine
VDDo (output), and two VGG (5 V-tolerant supply). The VDDc require 2.5
V +/- 5%, the VDDi and VDDo require 3.3 V +/- 5%, and the VGG require 5
V +/- 5%. The recommended power ramp sequence is VDDi and VDDo
together, then VDDc at t = 0⁺. VGG can be powered at any time.
— 27 pins are provided for ground, 0 V DC. 10 VSS (core and input) and 17
VSSo (output).
FOOTNOTE:
(1) _{These pins have internal pullups and may be left open by the system designer.}
(2) _{VDDc Pin Numbers: 27, 77, 132, 185}
VDDi Pin Numbers: 13, 67, 118, 171
VDDo Pin Numbers: 42, 63, 81, 95, 110, 147, 164, 181, 201
VGG Pin Numbers: 52, 156
(3) _{VSS Pin Numbers: 14, 28, 53, 68, 78, 119, 133, 157, 172, 186}
VSSo Pin Numbers: 44, 55, 64, 73, 82, 89, 96, 104, 111, 137, 148, 153, 165, 175, 182, 191, 202
(4) _{An active low signal is denoted by a trailing asterisk (*).}
(5) _{These pins have internal pulldowns and may be left open by the system designer.}
28478-DSH-002-E
Mindspeed Technologies^®
27
Preliminary Information / Mindspeed Proprietary and Confidential