48
MEX-BT5000
IC513
S-1170B19UC-OTETFG
IC506
XR16L2550IM-F
1
D5
32 OP2A#
31 RXRDYA#
30 INTA
29 INTB
28 A0
27 A1
26 A2
25 NC
33 RTSA#
34 DTRA#
35 DTRB#
36 RESET
8-bit DATA
BUS
INTERFACE
MODEM
GENERAL
PURPOSE
CONTROL
LOGIC
TRANSMIT
SHIFT RESISTER
(THR/FIFO)
CRYSTAL
OSC/BUFFER
2
D6
3
D7
4
RXB
5
RXA
6
TXRDYB#
7
TXA
8
TXB
9
OP2B#
10
CSA#
11
CSB#
NC 12
48
D4
47
D3
46
D2
45
D1
44
D0
43
TXRDYA#
42
VCC
41
RIA#
40
CDA#
39
DSRA#
38
CTSA#
37
NC
13
XTAL1
14
XTAL2
15
IOW#
16
CDB#
17
GND
18
RXRDYB#
19
IOR#
20
DSRB#
21
RIB#
22
RTSB#
23
CTSB#
24
NC
RECEIVER
SHIFT RESISTER
(RHR/FIFO)
1
ON/OFF
2
VSS
3
NC
4
VIN
5
VOUT
OVERCURRENT
PROTECTOR
–
+
ON/OFF
CIRCUIT
REFERENCE
VOLTAGE
CIRCUIT
THERMAL
SHUTDOWN CIRCUIT
1
VSS
2
VDD
3
CD
4
OUT
+
–
DELAY
CIRCUIT
VREF
IC515, 517
S-80930CLNB-G60T2G
IC516
TC7WBL126AFK
1
OE1
2
A1
4
GND
3
B2
5
A2
6
B1
7
OE2
8
VCC
SWITCH
SWITCH
Summary of Contents for XPlod MEX-BT5000
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