Figure 8-110.Top Control And Jtag Circuit - Motorola APX 3000 Detailed Service Manual

8-186
V_EXT_1.85
R2104M2
JTAG<11..0>
IO
4.7K
OMAP_TDO
8
7 CPLD_TDO
RTCK
6
5 TCK_CONN_BUFFERED_B
CPLD_TCK
10
NTRST
4
3 OMAP_TMS_BUFFERED
2 TDI_BUFFERED
CPLD_TDI_BUFFERED
11
CPLD_TMS
9
1 NEMU0
NEMU1
0
V_EXT_1.85
OUT
VCC VCC
GND GND C2104M2
0.1UF
U2102M2
U2101M2
NC7WZ17
NC7WZ17
Figure 8-110. Top Control and JTAG Circuit
12
J1M2
ON_OFF_SWITCH
JTAG
F_VREF_1.875VM2
TEST_POINT
V_EXT_1.85
DNP
R2120M2
R2106M2 R2116M2
10K
10K
10K
DNP
R2197M2
0 OMAP_TDO_CON
R2198M2
CPLD_TDO_CON
0
R2199M2
0
RTCK_CON
TCK_CON
R2109M2 10 4 3
R2110M2 22 U2101M2
NC7WZ17
R2111M2
TMS_CON
10 4 3
NC7WZ17
U2102M2
R2113M2
10 6 1 TDI_CON
U2101M2
NC7WZ17
R2114M2
22
NC7WZ17
U2102M2
R2115M2
CPLD_TMS_CON
10 6 1
R2118M2
R2107M2
V_EXT_1.85
10K
1K
C2114M2
0.1UF
Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF2 (84012616001)
EMERGENCY BUTTON
CHANGES:
REMOVED U21000,U21001,C21002,C21003,C21005,C21004
REMOVED TP2112,TP2113,TP2114
REMOVED U21002,,U21003
REMOVED C21001,C21000,U2104,TP2111,R21001,TP2110,R21000,U2104,C2116
TOP_BUTTON
14
D2101M2
C2115M2
RSB6
100PF
USER BUTTON AND SWITCHES
J1M2
FREQ KNOB
TOP_BUTTON
OUT
ON_OFF_SWITCH
OUT
REMOVED SECURE SW
NEED TO ADD TOGGLE/FREQ SW