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參數(shù)資料
| 型號： | 935270050128 |
| 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, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64 |
| 文件頁數(shù)： | 53/55頁 |
| 文件大?。?/td> | 706K |
| 代理商： | 935270050128 |
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Philips Semiconductors
SC16C654/654D
Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev. 02 — 13 March 2003
7 of 52
9397 750 10985
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
5.1.2
LQFP64
5.2 Pin description
Fig 5.
LQFP64 pin conguration.
SC16C654IB64
SC16C654DIB64
002aaa204
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DSRA
CTSA
DTRA
VCC
RTSA
INTA
CSA
TXA
IOW
TXB
CSB
INTB
RTSB
GND
DTRB
CTSB
DSRD
CTSD
DTRD
GND
RTSD
INTD
CSD
TXD
IOR
TXC
CSC
INTC
RTSC
VCC
DTRC
CTSC
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
CDA
RIA
RXA
GND
D7
D6
D5
D4
D3
D2
D1
D0
V
CC
RXD
RID
CDD
DSRB
CDB
RIB
RXB
V
CC
A2
A1
A0
XTAL1
XTAL2
RESET
GND
RXC
RIC
CDC
DSRC
Table 2:
Pin description
Symbol
Pin
Type
Description
PLCC68 LQFP64
16/68
31
-
I
16/68 Interface type select (input with internal pull-up). This input provides
the 16 (Intel) or 68 (Motorola) bus interface type select. The functions of IOR,
IOW, INTA-INTD, and CSA-CSD are re-assigned with the logical state of this
pin. When this pin is a logic 1, the 16 mode interface (16C654) is selected.
When this pin is a logic 0, the 68 mode interface (68C654) is selected. When
this pin is a logic 0, IOW is re-assigned to R/W, RESET is re-assigned to
RESET, IOR is not used, and INTA-INTD are connected in a wire-OR
conguration. The wire-OR outputs are connected internally to the open drain
IRQ signal output. This pin is not available on 64-pin packages which operate in
the 16 mode only.
A0
34
24
I
Address 0 select bit. Internal registers address selection in 16 and 68 modes.
A1
33
23
I
Address 1 select bit. Internal registers address selection in 16 and 68 modes.
A2
32
22
I
Address 2 select bit. Internal registers address selection in 16 and 68 modes.
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