參數(shù)資料
型號: SC16C752
廠商: NXP Semiconductors N.V.
英文描述: Dual UART with 64-byte FIFO
中文描述: 雙UART具有64字節(jié)FIFO
文件頁數(shù): 4/47頁
文件大?。?/td> 604K
代理商: SC16C752
Philips Semiconductors
SC16C752
Dual UART with 64-byte FIFO
Product data
Rev. 04 — 20 June 2003
4 of 47
9397 750 11635
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
5.
Pinning information
5.1 Pinning
5.2 Pin description
Fig 2.
Pin configuration.
SC16C752IB48
002aaa224
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
1
1
1
1
1
1
1
2
2
2
2
2
4
4
4
4
4
4
4
4
4
3
3
3
D
D
D
D
D
T
V
R
C
D
C
N
X
X
I
C
G
R
I
D
R
R
C
N
D5
D6
D7
RXB
RXA
TXRDYB
TXA
TXB
OPB
CSA
CSB
NC
RESET
DTRB
DTRA
RTSA
OPA
RXRDYA
INTA
INTB
A0
A1
A2
NC
Table 2:
Symbol
A0
A1
A2
CDA, CDB
Pin description
Pin
28
27
26
40, 16
Type
I
I
I
I
Description
Address 0 select bit.
Internal registers address selection.
Address 1 select bit.
Internal registers address selection.
Address 2 select bit.
Internal registers address selection.
Carrier Detect (Active-LOW).
These inputs are associated with individual UART
channels A and B. 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 reflected in the
modem status register (MSR).
Chip Select (Active-LOW).
These pins enable data transfers between the user CPU
and the SC16C752 for the channel(s) addressed. Individual UART sections (A, B) are
addressed by providing a logic LOW on the respective CSA and CSB pins.
CSA, CSB
10, 11
I
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