參數(shù)資料
型號: SC16C850IBS,151
廠商: NXP Semiconductors
文件頁數(shù): 15/55頁
文件大?。?/td> 0K
描述: IC UART SGL-CH 3.3V 32-HVQFN
標準包裝: 490
特點: 可編程
通道數(shù): 1,UART
FIFO's: 128 字節(jié)
規(guī)程: RS485
電源電壓: 2.5 V ~ 3.3 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應商設(shè)備封裝: 32-HVQFN(5x5)
包裝: 托盤
產(chǎn)品目錄頁面: 828 (CN2011-ZH PDF)
其它名稱: 568-4778
935283103151
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SC1
6
C850
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jec
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NXP
B.V
.
2010.
Al
lr
ig
h
ts
re
s
e
rv
ed.
Produ
ct
d
a
ta
sheet
R
e
v
.2
1
N
o
vem
ber
2010
22
o
f55
N
X
P
Semi
conductor
s
SC16C850
2
.5
to
3.3
V
UART
with
1
28-
byt
e
FIFOs
and
IrDA
e
n
cod
e
r/dec
ode
r
[1]
The value shown represents the register’s initialized HEX value; X = not applicable.
[2]
Accessible only when LCR[7] is logic 0, and EFCR[2:0] are logic 000b.
[3]
This bit is only accessible when EFR[4] is set.
[4]
Baud rate registers accessible only when LCR[7] is logic 1.
[5]
Enhanced Feature Register, Xon1/Xon2 and Xoff1/Xoff2 are accessible only when LCR is set to 0xBF, and EFCR[2:1] are logic 0.
[6]
Second Special registers are accessible only when EFCR[0] = 1, and EFCR[2:1] are logic 0.
[7]
First extra feature register set is only accessible when EFCR[2:1] = 01b.
[8]
Second extra feature register set is only accessible when EFCR[2:1] = 10b.
Enhanced feature register set[5]
0
1
0
EFR
0x00
Auto CTS
Auto RTS
special
character
select
Enable
IER[7:4],
ISR[5:4],
FCR[5:4],
MCR[7:5]
Cont-3 TX,
RX Control
Cont-2 TX,
RX Control
Cont-1 TX,
RX Control
Cont-0 TX,
RX Control
R/W
1
0
Xon1
0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
1
0
1
Xon2
0x00
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
R/W
1
0
Xoff1
0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
1
Xoff2
0x00
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
R/W
First extra feature register set[7]
0
1
0
TXINTLVL
0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
1
0
RXINTLVL
0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
1
0
FLWCNTH
0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
1
FLWCNTL
0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
Second extra feature register set[8]
0
1
0
CLKPRES
0x00
reserved
bit 3
bit 2
bit 1
bit 0
R/W
1
0
RS485TIME 0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
1
0
AFCR2
0x00
reserved
RS485 RTS
Invert
Auto RS485
RTS
RS485
RTS/DTR
Transmitter
Disable
Receiver
Disable
9-bit Enable
R/W
1
AFCR1
0x00
reserved
Sleep
RXLow
reserved
RTS/CTS
mapped to
DTR/DSR
Software
Reset
TSR
Interrupt
R/W
Table 8.
SC16C850 internal registers …continued
A2 A1 A0 Register
Default[1]
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W
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