Motorola ASTRO Digital Spectra Plus Service Manual page 92

3-34
U206
Pin #
A6
C6
A7
D6
C9
E4
C4
B3
E5
A2
E3
G1
G2
K5
F5
J4
J8
B2
J2
A3
A4
J3
G4
K8
G9
F8
October 28, 2002
Table 3-7. U206 (SLIC) (Continued)
Description
PJ4
PJ5 OPT SEL2 (KEYLOAD*)
PJ6 VIP IN1
PJ7 EMC EN*
POR*
HC11RST*/RESET*
OE*
R/W*
BOOTSTRAP*
MEM R/W*
AV*/CSPROG*
CE*/CS101*
SCNSLB
ROM1CS*
ROM2CS*
EE1CS*
KEYFAIL*
RS232 DATA IN
BOOT DATA IN
4XECLK
ECLK
VIP OUT2
SPKREN*
BUSY OUT*
TXPA EN*
5V EN*
Theory of Operation: ASTRO Spectra VOCON Board
To/From
R268
R237
J501-24
J801-10
U409-2
U204-E5
U201-31
U201-25
U202-22
U205-32
U210-32
U405-D9
U204-B6
U204-H4
U201-29
U202-27
U204-E6
U204-G8
R252
U205-30
U210-30
U201-22
J801-15
J501-21
J501-50
J501-17 U204-
J7
U204-B7
U204-A5
J501-23
J501-44
J501-19
J501-14
J501-15
6881076C25-D