Figure 7-4. Hud4022A Controller Urchin Ic, Mux, And Ad5320 Dac Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

7-6
DAC_SSI_CLK
DAC_SSI_FSYNC
DAC_SSI_TXD
VCC2.85
R0905
100K

Figure 7-4. HUD4022A Controller Urchin IC, MUX, and AD5320 DAC Schematic

May 25, 2005
VCC2.85
U0900
AD5320BRT
5
SCLK
6
SYNC
1
VOUT
4
DIN
C0917 C0918 C0919
100pF 100pF 100pF
VCC2.85
C0907
0.1uF
U0901
XCR3032XL
G7 A3
2.4_MHZ 16.8_CLK
G1 A6
48_MHZ RESET
C1
ENABLE
D1
NC13
D3 C3
NC14 JTAG_EN
D4 E5
NC15 TCK
D6 B1
VCC2.85
NC16 TDI
D7 B7
NC17 TDO
E1 D2
NC18 TMS
E4 VCC2.85
NC19
E7 A1
NC20 NC1
F1 A2
NC21 NC2
F2 A4
NC22 NC3
F3 A7
NC23 NC4
F4 B2
NC24 NC5
F5 B4
NC25 NC6
F6 B5
NC26 NC7
F7 B6
NC27 NC8
G2 C2
NC28 NC9
G3 C4
NC29 NC10
G5 C5
NC30 NC11
G6 C6
NC31 NC12
C0913
100pF
Schematics, Component Location Diagrams, and Parts Lists: HUD4022A/HUD4025B (VHF) Main Board
VCC2.85
C0901 C0903
0.1uF 0.1uF
FL0900
MAX7414
8
CLK
7
SHDN
R0901
AD5320_OUT 2 5
IN OUT
8.2K
1
COM
6
OS
C0902
0.1uF
SCF_OUT
C0908 C0909 C0910
0.1uF 0.1uF 0.1uF
C0916
AUX_MIC
0.1uF
16.8MHZ_SQARE
RX_FILT_AUDIO_IN
RESET
AUX_TX
URCHIN_EN
R0900 NP
100K
VCC2.85
VCC2.85
C0906
0.1uF
4
U0903
5
R0904
LMV7219
1
100K
3
2 16.8_MHZ_DC
C0914
33pF
C0912
100pF
Part Series
900-1
C0904
220pF
VCC2.85
C0905
0.1uF
U0902
MC74HC4053
6
EN
12
X0
14
X MODIN
13 11
X1 A
2
Y0 MODEM_EN
15
Y RX_FILT_AUDIO_OUT
1 10
Y1 B
5
Z0
4
Z
3 9
Z1 C MIC_TUNE_EN
C0915
100pF
R0902
100K
C0911
16.8_MHZ
100pF
R0903
100K
MAEPF-27836-O
6881096C74-B