
?
?
Hardware Reference Manual for i.MX53 Quick Start
?
?
?
?
?
?
?
?
?
?
?
?
JTAG ?
Connector ? (J15) ?
?
?
?
?
?
1.8V ? Logic ? Reference ?
3.3V ? JTAG ? Supply ? Voltage
JTAG ? TAP ? Reset ? (Active ? Low)
Ground ?
JTAG ? Test ? Data ? In ?
Ground ?
JTAG ? TAP ? Machine ? State
Ground ?
JTAG ? TAP ? Clock ?
Ground ?
RTCK ? (Pulled ? Low) ?
Ground ?
JTAG ? Test ? Data ? Out ?
Ground ?
JTAG ? System ? Reset ? (Active ? Low)
Ground ?
Debug ? Request ? (Pulled ? High)
Ground ?
Debug ? Acknowledge ? (Pulled ? Low)
Ground ?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Table ? 25. ?
JTAG ? Connector ? (J15) ? ?
?
?
?????? Figure ? 31. ? JTAG ? Connector ? (J15) ?
?
Freescale Semiconductor
?
Hardware User Guide for i.MX53 Quick Start Board,
Preliminary Rev 0.91
73
PUBI – Public Use Business Information ?