ST20-JPI ST Microelectronics, ST20-JPI Datasheet - Page 7

• Manufacturer Part Number: ST20-JPI
• Description: PC PARALLEL PORT TO JTAG INTERFACE
• Manufacturer: ST Microelectronics

3.3
The Differential OS-Link connector is used to connect the ST20-JPI to a B300 instead of a Parallel
port.
3.4
The JTAG connector is a 20 pin male IDC header. The following table shows the pinout of the
ST20-JPI and the pinout required for the target board:
Differential Link Connection
JTAG Connection
Even Numbers
Pin Number
Pin
10
11
12
13
11
13
15
17
19
1
2
3
4
5
6
7
8
9
1
3
5
7
9
+notSSDownAnalyse
+notSSDownReset
+notSSDownError
+notSSUpAnalyse
+notSSUpReset
+notSSUpError
Table 3.1 26 way D-type connector
Table 3.2 JTAG connector pinout
Description
+LinkOut
+LinkIn
GND
GND
GND
GND
GND
Host Connection
notTRST (Out)
notRST (Out)
TMS (Out)
TCK (Out)
Reserved
Reserved
GROUND
TrigOut
TrigIn
TDO
TDI
Pin
14
15
16
17
18
19
20
21
22
23
24
25
26
-notSSDownAnalyse
-notSSDownReset
-notSSDownError
-notSSUpAnalyse
-notSSUpReset
-notSSUpError
Description
-LinkOut
-LinkIn
GND
GND
GND
GND
GND
Target Connection
notTRST (In)
Do Not Wire
Do Not Wire
notRST (In)
GROUND
TMS (In)
TCK (In)
TrigOut
TrigIn
TDO
TDI
ST20-JPI
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