MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 634

• Manufacturer Part Number: MOD5234-100IR
• Description: MOD5234 10/100 ETHERNET MODULE
• Manufacturer: NetBurner Inc
• Type: Controllers & Processorsr

Specifications of MOD5234-100IR

• Interface: I²C, SPI, UART
• Voltage - Supply: 2.5V
• Mounting Type: Surface Mount
• Package / Case: Module
• Product: Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Format: -
• Baud Rates: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4483564

IEEE 1149.1 Test Access Port (JTAG)
31.1.2 Features
The basic features of the JTAG module are the following:
31-2
• Performs boundary-scan operations to test circuit board electrical continuity
• Bypasses instruction to reduce the shift register path to a single cell
• Sets chip output pins to safety states while executing the bypass instruction
• Samples the system pins during operation and transparently shift out the result
• Selects between JTAG TAP controller and Background Debug Module (BDM) using a
TRST/DSCLK
TMS/BKPT
JTAG_EN
dedicated JTAG_EN pin
TDI/DSI
TCLK
JTAG Module
329
31
4
330-BIT BOUNDARY SCAN REGISTER
5-BIT TAP INSTRUCTION REGISTER
5-BIT TAP INSTRUCTION DECODER
1-BIT BYPASS REGISTER
1-BIT TEST_CTRL REGISTER
32-BIT IDCODE REGISTER
Figure 31-1. JTAG Block Diagram
TAP CONTROLLER
MCF5235 Reference Manual, Rev. 2
to Debug Module
Disable DSCLK
Force BKPT = 1
0
0
0
DSI
= 0
DSO
DSI
DSCLK
BKPT
Freescale Semiconductor
0
1
1
0
TDO/DSO