參數(shù)資料
型號: SC16C750BIA44,512
廠商: NXP Semiconductors
文件頁數(shù): 7/44頁
文件大?。?/td> 0K
描述: IC UART 64BYTE 44PLCC
標(biāo)準(zhǔn)包裝: 26
通道數(shù): 1,UART
FIFO's: 64 字節(jié)
電源電壓: 2.5V,3.3V,5V
帶自動流量控制功能:
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: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC
包裝: 管件
其它名稱: 935274402512
SC16C750BIA44
SC16C750BIA44-ND
SC16C750B_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 17 October 2008
15 of 44
NXP Semiconductors
SC16C750B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
7.
Register descriptions
Table 8 details the assigned bit functions for the fteen SC16C750B internal registers. The
assigned bit functions are more fully dened in Section 7.1 through Section 7.10.
[1]
The value shown represents the register’s initialized HEX value; X = n/a.
[2]
These registers are accessible only when LCR[7] = 0.
[3]
The Special Register set is accessible only when LCR[7] is set to a logic 1.
Table 8.
SC16C750B internal registers
A2
A1
A0
Register Default[1] Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
General Register Set[2]
0
RHR
XX
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
THR
XX
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
1
IER
00
0
Low
power
mode
Sleep
mode
modem
status
interrupt
receive
line
status
interrupt
transmit
holding
register
receive
holding
register
0
1
0
FCR
00
RCVR
trigger
(MSB)
RCVR
trigger
(LSB)
64-byte
FIFO
enable
reserved
DMA
mode
select
XMIT
FIFO
reset
RCVR
FIFO
reset
FIFO
enable
0
1
0
ISR
01
FIFOs
enabled
FIFOs
enabled
64-byte
FIFO
enable
0
INT
priority
bit 2
INT
priority
bit 1
INT
priority
bit 0
INT
status
0
1
LCR
00
divisor
latch
enable
set break set
parity
even
parity
enable
stop bits
word
length
bit 1
word
length
bit 0
1
0
MCR
00
0
ow
control
enable
loopback
OUT2
OUT1
RTS
DTR
1
0
1
LSR
60
FIFO
data
error
trans.
empty
trans.
holding
empty
break
interrupt
framing
error
parity
error
overrun
error
receive
data
ready
1
0
MSR
X0
DCD
RI
DSR
CTS
DCD
RI
DSR
CTS
1
SPR
FF
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Special Register Set[3]
0
DLL
XX
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
1
DLM
XX
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
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