Freescale Semiconductor NXP CodeWarrior USB TAP, Руководство пользователя

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ARM® JTAG Connector Information
43 USB TAP Users Guide
1
100KOhm pull-up to buffered VDD.
2
4.7KOhm pull-up to buffered VDD.
9 TCK From USB TAP
connector 50mA driver
10 GND - n/a -
11 RTCK From target 30pF load
12 GND - n/a -
13 TDO From target 30pF load
14 GND - n/a -
15 SRST Bi-directional Open-drain. 100Ohm to ground
when asserted by USB TAP, 35pF
load when not asserted
2
16 GND - n/a -
17 DBGRQ From USB TAP
connector 50mA driver
18 GND - n/a -
19 DBGACK From target 30pF load
20 GND - n/a -
Table E.1 CodeWarrior USB TAP for ARM® JTAG Signal Directions ( continued)
ARM®
JTAG Pin Signal
Mnemonic Signal
Direction Description
U SB_TA P.book Page 43 Thursday, N ovem ber 10, 2005 2:27 PM