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September 5, 2008 6881076C25-E

3-30 Theory of Operation: ASTRO Spectra VOCON Board

Table 3-3. VOCON Board Address Bus (HA) Pinouts

Bus U201 U202 U204 U205 U206 U210 U405

HA01310D220D7 20E9

HA1 11 9 C2 19 C7 19 F8

HA2 10 8 C1 18 C8 18 F9

HA38 7 D117D8 17–

HA42 6 E316E6 16–

HA5 7 5 E2 15 – 15 –

HA6 6 4 E1 14 – 14 –

HA7 5 3 E4 13 – 13 –

HA8 27 25 F1 3 F6 3 –

HA9 12 24 F3 2 F7 2 –

HA10 24 21 F2 31 – 31 –

HA11 26 23 G1 1 – 1 –

HA12 4 2 F4 12 – 12 –

HA13 28 26 G2 4 – 4 –

HA14 3 1 H1-In 5 H8-In

H4-Out

5–

HA15 – – H2-In 11 H7-In

K3-Out

11 –

HA16–––10K610–

HA17–––6G56–

Table 3-4. VOCON Board Data Bus (D) Pinouts

Bus U402 U403 U404 U405 U406 U414

D0 B9 B9 21 G3 – B9

D1 C8 C8 22 J1 – C8

D2 C9 C9 23 K3 – C9

D3 D9 D9 25 L3 – D9

D4 E8 E8 26 J3 – E8

D5 E9 E9 27 K4 – E9

D6 F9 F9 28 H4 – F9

D7 G9 G9 29 L2 – G9

D8 G8 G8 – K2 H10 G8

Motorola ASTRO Digital Spectra User Manual

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