Motorola ASTRO Digital Spectra Plus - Table 3-8. VOCON U405 (DSP); Table 3-9. VOCON U406 (ADSIC)

September 5, 2008 6881076C25-E
3-36 Theory of Operation: ASTRO Spectra VOCON Board
B5 SC1 U406-J4
B9 SC0 U406-K4
C6 SCLK U204-G3
U406-C9
A7 TXD/EMC RXD J801-3
B7 RXD/EMC TXD J801-4
G9 RESET/DSP RST* U204-H8
E10 HACK* R409
B19 HREQ* U204-H3
E8 HEN* U206-J7
D9 HR/W* U204-B6
Table 3-9. VOCON U406 (ADSIC)
U406
Pin #
Description To/From
D8 PS* U404-6
U405-C1
G10 WR* U405-C4
U404-7
U402/3/14-K2
F8 RD* U405-A3
U404-32
U402/3/14-K6
J9 RSEL U403-J3
U414-K3
G2 TP1 R407
G1 TP2 N/C
A4 AB1 R402
B8 SEL*/ADSIC SEL* U204-F7
A8 RST*/ADSIC RST* U204-G7
F10 IRQA/IRQA* U204-G4
U405-H10
F9 IRQB/IRQB* 8 kHz U405-H9
Table 3-8. VOCON U405 (DSP) (Continued)
U405
Pin #
Description To/From