Freescale Semiconductor NXP CodeWarrior USB TAP User Manual page 33

Table C.1 CodeWarrior USB TAP Emulator for BDM Signal Directions
BDM
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
USB TAP Users Guide
Signal Signal
Mnemonic Direction
Reserved From target
BKPT Bi-directional
GND - n/a -
DSCLK From USB TAP
connector
GND - n/a -
Reserved Bi-directional
RESET Bi-directional
DSI From USB TAP
connector
VDD From target
DSO From target
GND - n/a -
PST3 - n/a -
PST2 - n/a -
PST1 - n/a -
PST0 - n/a -
DDATA3 - n/a -
DDATA2 - n/a -
DDATA1 - n/a -
DDATA0 - n/a -
BDM Connector Information
Description
1
30pF load
Open-drain. 100Ohm to ground when
asserted by USB TAP, 35pF load
1
when not asserted
50mA driver
Open-drain, 100Ohm to ground when
asserted by USB TAP emulator, 35pF
1
load when not asserted
Open-drain. 100Ohm to ground when
asserted by USB TAP, 35pF load
1
when not asserted
50mA driver
2MOhm pull-down, plus 0.01uF load
30pF load
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