Motorola ASTRO Digital Spectra Plus - Page 97

6881076C25-E September 5, 2008
Theory of Operation: ASTRO Spectra VOCON Board 3-37
F2 SSW/EPS* U404-30
C9 SCLK/SPI SCK U204-G5
J501-8
J801-9
C10 SPO/MOSI J501-9
J801-8
C1 MA1 U501-39
B5 SDO U501-40
B1 VRO REFMOD J501-48
B2 MODIN J501-49
L3 RXD SRO 2.4 MHz U405-C5
J4 RFS SC1 U405-B5
K4 SCKR SCO U405-B9
H1 TXD STO U405-A2
H2 TFS SC2 48 kHz U405-B2
G3 SCKT SCK 1.2 MHz U405-B6
C8 DA4 BNK2 U404-10
C3 DA7B BNK1 U404-11
B6 DA7A BNK0 U404-5
J1 N/C
J2 N/C
K1 N/C
K2 N/C
H3 DIN*/DOUT* J501-1
K3 DIN/DOUT J501-2
F3 IDC ODC 2.4 MHz J501-7
J3 SBI J501-6
C7 XTL 33 MHz Y401
C6 EXTL Y401
K9 OSC* CR402
G9 DCLK U405-K9
Table 3-9. VOCON U406 (ADSIC) (Continued)
U406
Pin #
Description To/From