User`s manual

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A A B B C C D D
UART Ports
UART
DEBUG PORT
EZADS20.DSN 2.0 M68EZ328ADS
2 Dai King Street, Tai Po Industrial Estate, Tai Po, NT, Hong Kong. B
510Wednesday, January 05, 2000
Title Size Document Number Rev Date: Sheet
of
~RTS RXD TXD ~CTS
D8 D9 D10 D11 D12 D13 D14 D15 A0 A1 A2
VCC
VCCVCC
VCC
VCC
VCC
VCC
C39
0805_1u
C40
0805_1u
C38
0805_1u
C37
0805_1u
C41
0805_1u
P9 DB9 FEMALE
5 9 4 8 3 7 2 6 1
U16
MC145583VF
C5+
1
C5-
3
RIMON
4
VSS
5
STB
6
RX1
7
RX2
8
RX3
9
TX1
10
RX4
11
TX2
12
RX5
13
TX3
14
DI3
15
DO5
16
DI2
17
DO4
18
DI1
19
DO3
20
DO2
21
DO1
22
VDD
23
C1-
24
C1+
25
C2-
26
C2+
28
U15
ST16C2552
IOR
24
IOW
20
RESET
21
CS
18
CHSEL
16
INTA
34
INTB
17
TXRDYA
1
TXRDYB
32
A0
10
A1
14
A2
15
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
XTAL1
11
XTAL2
13
TXA
38
TXB
26
RXA
39
RXB
25
DTRA
37
DTRB
27
RTSA
36
RTSB
23
MFA
35
MFB
19
CTSA
40
CTSB
28
RIA
43
RIB
31
CDA
42
CDB
30
DSRA
41
DSRB
29
VCC
44
GND
12
GND
22
VCC
32
Y2
3.6864MHz
R56 1M
C33
22p
C34 33p
C29
0805_1u
C30
0805_1u
C28
0805_1u
C27
0805_1u
C31
0805_1u
P8 DB9 FEMALE
5 9 4 8 3 7 2 6 1
U14
MC145583VF
C5+
1
C5-
3
RIMON
4
VSS
5
STB
6
RX1
7
RX2
8
RX3
9
TX1
10
RX4
11
TX2
12
RX5
13
TX3
14
DI3
15
DO5
16
DI2
17
DO4
18
DI1
19
DO3
20
DO2
21
DO1
22
VDD
23
C1-
24
C1+
25
C2-
26
C2+
28
R55 4K7
C36 0.1u
C35 0.1u
C32 0.1u
~RTS TXD
RXD ~CTS
~UART_EN
D[8..15]
A[0..2]
~OE
~UWE
RST_UARTX
~CSUARTX
MON_SEL0 MON_SEL1 MON_SEL2
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005