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Features
Supports Industry Standard IEEE 1149.1 (JTAG) Compliant Devices Allows Users to Perform JTAG ISP of Atmel ATF15xx CPLDs Supports Target Systems Using 5.0V, 3.3V, 2.5V, or 1.8V VCC and I/O Standards Supported by the ATMISP Software (Version 6.6, 6.7, and 7.x) Interfaces with a Standard USB 2.0/3.0 Port on a PC Supports 10-pin and 14-pin JTAG Interface Headers (JTAG-A and JTAG-X) Supports The ATDH1150USB ISP Download Cable supports all ATF15xx CPLDs with the JTAG feature enabled. By default, the ATF15xx CPLDs are shipped with the non-volatile memory in the erased state, which would enable the JTAG feature. Once the JTAG feature of an ATF15xx is disabled by programming it with a JEDEC file that disables the JTAG feature, its memory contents can no longer be accessed via the JTAG port. To re-enable the JTAG feature, the ATF15xx CPLD will need to be erased on a stand- alone device programmer. ATDH1150USB ATF15xx CPLD JTAG ISP Download Cable USER GUIDE
ATDH1150USB – ATF15xx CPLD JTAG ISP Download Cable [USER GUIDE] Atmel-8909A-CPLD-ATDH1150USB-ATF15-JTAG-ISP-Download-Cable-UserGuide_072015 Table of Contents
Figure 1. ATDH1150USB ISP Download Cable Functional Block Diagram
Table 1. 10-pin JTAG-A Connector Signal Description Table 2. 14-pin JTAG-X Connector Signal Description
1 TCK JTAG Clock Signal
2 GND Ground from Target System
3 TDO JTAG Data Output Signal
4 VCCT Power Supply from Target System
5 TMS JTAG State Machine Control Signal
6 NC No Connect
7 NC No Connect
8 NC No Connect
9 TDI JTAG Data Input Signal
10 GND Ground from Target System
1 GND Ground from Target System
2 VCCT Power Supply from Target System
3 GND Ground from Target System
4 TMS JTAG State Machine Control Signal
5 GND Ground from Target System
6 TCK JTAG Clock Signal
7 GND Ground from Target System
8 TDO JTAG Data Output Signal
9 GND Ground from Target System
10 TDI JTAG Data Input Signal
11 GND Ground from Target System
12 NC No Connect
13 GND Ground from Target System
14 NC No Connect
Green = Successful JTAG communication and operation. Red = Unsuccessful JTAG communication and/or operation. Amber = JTAG operation is in progress. provided to the ATDH1150USB ISP Download Cable. assure the female connector is properly oriented when it is attached to the programming circuit board. board must match one of the pinouts shown. Figure 2. ATDH1150USB ISP Download Cable 10-pin and 14-pin Female Connector Pinouts
7ATDH1150USB – ATF15xx CPLD JTAG ISP Download Cable [USER GUIDE] Atmel-8909A-CPLD-ATDH1150USB-ATF15-JTAG-ISP-Download-Cable-UserGuide_072015
Ordering Information
The ATF15xx CPLD USB-based JTAG ISP Download Cable can be purchased from authorized Atmel distributors. Table 3. Atmel ATF15xx CPLD USB-based JTAG ISP Download Cable JTAG header is the last device of the chain. VCCIO should be used to supply the VCCT of the ATDH1150USB ISP Download Cable. such as BPM Microsystems, Data I/O, Hi-Lo Systems,. etc.
ATDH1150USB – ATF15xx CPLD JTAG ISP Download Cable [USER GUIDE] Atmel-8909A-CPLD-ATDH1150USB-ATF15-JTAG-ISP-Download-Cable-UserGuide_072015 Technical Support For Atmel PLD technical support, please contact the Atmel PLD Applications Group at: Phone: +1 (408) 436-4333 Email: pld@atmel.com Online: http://www.atmel.com/design-support/
Revision History
Doc. Rev. Date Comments 8909B 07/2015 Added ATDH1150USB and JTAG clarification. Updated from USB 2.0 to 2.0/3.0 Port, 14-wire ribbon cable to not included, regulated VCC from recommended to required, and online support website. 8909A 04/2014 Initial document release.
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