Figure 7-9. Gcai Accessory Interface (Sheet 2 Of 2) - Motorola ASTRO XTL 1500 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: Control Head Main Board
3.3V_LS
CONNECTOR 12PINS
P3200-12
P3200-10
P3200-9
P3200-7
P3200-6
P3200-5
P3200-4
P3200-3
P3200-2
P3200-1
P3200-11
P3200-8
GCAI SPEAKER
R3216
10K
10K
R3214
R3215
0
RX_AUDIO
C3200
10uF
DNP
6815854H01-A
USB_5V
BAT54HT1G
3.3V_LS
D3203
C3205
R3200 R3201 R3203
15K 15K 2.2K
100pF
R3212
0
R3213
0
NC NC
VR3200
NC NC NC NC
5.6V 5.6V
VR3201 VR3203
VR3202
20V
2.8V
USB_5V
C3202
0.10uF
C3201
2.8V
3900pF
R3217
10K
2
1 S
SPKR_CTRL
U3200
LM7301
4 5
R3219
1 3 A
3
0
2
5
R3218
10K
4813978A25
2.8V
D3204
Q3200
CRITICAL
2.8V
GPIO2_DM_RXD R3205
10K
GPIO1_DP_TXD
VBUS_5V
MIC_HI_IN
RX_AUDIO_OUT
UNSW_VCC
C3204
0.10uF
U3201
FSA4157L6X_NL
B1 6
NC
C3203
47uF
B0 4
RX_AUDIO_OUT
R3204
2.2K
2.8V
ONE_WIRE
2.8V 3.3V_LS
0.10uF 0.10uF
R3207
C3209 C3210 10K
C1 C2
A B
B2
DIR
U3202
SN74LVC1T45
2.8V 3.3V_LS 2.8V
0.10uF 0.10uF
10K
C3211 C3212
R3209
C1 C2
A B GCAI_GPIO_4
B2
DIR GCAI_CTRL_2
U4204
SN74LVC1T45
3.3V
D3208
D3207 2.8V
2.8V 3.3V_LS
0.10uF 0.10uF
10K R3211
R3202
C3213 C3214
R3221 15K 10K
C1 C2
A B GCAI_GPIO_0
B2
DIR GCAI_CTRL_3
U3204
SN74LVC1T45
DNP R3220
10K
DNP
R3222
0
2 4
AVR_SCK_PROG GCAI_AVR
A Y
U3203-1
74VHC125
UNSW_VCC
U3203-2
PWR_GND
R3223
10K VCC
C3207
0.10uF
GND

Figure 7-9. GCAI Accessory Interface (Sheet 2 of 2)

7-11
3.3V
4813978A25
BAT54HT1G
D3200
3.3V_LS
C3208
0.10uF
GCAI_GPIO_3
GCAI_CTRL_1
June 16, 2005