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| 型號(hào)： | 935270057557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4 CHANNEL(S), 5M bps, SERIAL COMM CONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80 |
| 文件頁數(shù)： | 45/52頁 |
| 文件大?。?/td> | 680K |
| 代理商： | 935270057557 |
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Philips Semiconductors
SC16C754
Quad UART with 64-byte FIFO
Product data
Rev. 02 — 14 March 2003
5 of 49
9397 750 11192
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
5.2 Pin description
Fig 3.
PLCC68 pin conguration.
handbook, full pagewidth
SC16C754IA68
002aaa367
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
DSRA
CTSA
DTRA
VCC
RTSA
INTA
CSA
TXA
IOW
TXB
CSB
INTB
RTSB
GND
DTRB
CTSB
DSRB
DSRD
CDSD
DTRD
GND
RTSD
INTD
CSD
TXD
IOR
TXC
CSC
INTC
RTSC
VCC
DTRC
CTSC
DSRC
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
9
8
7
6
5
4
3
2
1
68
67
66
65
64
63
62
61
CDA
RIA
RXA
GND
D7
D6
D5
D4
D3
D2
D1
D0
INTSEL
V
CC
RXD
RID
CDD
CDB
RIB
RXB
CLKSEL
NC
A2
A1
A0
XTAL1
XTAL2
RESET
RXRDY
TXRDY
GND
RXC
RIC
CDC
Table 2:
Pin description
Symbol
Pin
Type
Description
LQFP80 PLCC68
A0
30
34
I
Address 0 select bit. Internal registers address selection.
A1
29
33
I
Address 1 select bit. Internal registers address selection.
A2
28
32
I
Address 2 select bit. Internal registers address selection.
CDA, CDB,
CDC, CDD
79, 23,
39, 63
9, 27,
43, 61
I
Carrier Detect (Active-LOW). These inputs are associated with individual
UART channels A through D. A logic LOW on these pins indicates that a
carrier has been detected by the modem for that channel. The state of these
inputs is reected in the modem status register (MSR).
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