Figure 8-18. Top Control And Jtag Circuit - Motorola APX 3000 Detailed Service Manual

8-20
V_EXT_1.85
JTAG<11..0>
R2104M2
IO
4.7K
OMAP_TDO
8
7 CPLD_TDO
RTCK
6
5 TCK_CONN_BUFFERED_B
10 CPLD_TCK
NTRST
4
3 OMAP_TMS_BUFFERED
2 TDI_BUFFERED
11 CPLD_TDI_BUFFERED
CPLD_TMS
9
1 NEMU0
NEMU1
0
V_EXT_1.85
OUT
VCC VCC
C2104M2
GND GND
0.1UF
U2101M2 U2102M2
NC7WZ17
NC7WZ17

Figure 8-18. Top Control and JTAG Circuit

12
J1M2
ON_OFF_SWITCH
JTAG
F_VREF_1.875VM2
TEST_POINT
DNP
V_EXT_1.85
R2120M2
R2116M2
R2106M2
10K
10K
10K
DNP
R2197M2
0 OMAP_TDO_CON
R2198M2
0
CPLD_TDO_CON
R2199M2
0
RTCK_CON
U2101M2
NC7WZ17
TCK_CON
R2109M2 10 3
4
R2110M2 22
R2111M2
10
4 3 TMS_CON
NC7WZ17
U2102M2
R2113M2
10 6 1 TDI_CON
U2101M2
NC7WZ17
R2114M2
22
NC7WZ17
U2102M2
R2115M2
CPLD_TMS_CON
10 6 1
R2107M2 R2118M2
V_EXT_1.85
1K 10K
C2114M2
0.1UF
Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF1 (84012513001_A)
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
RSB6
C2115M2
D2101M2
100PF
USER BUTTON AND SWITCHES
J1M2
FREQ KNOB
TOP_BUTTON
OUT
ON_OFF_SWITCH
OUT
REMOVED SECURE SW
NEED TO ADD TOGGLE/FREQ SW