參數(shù)資料
型號(hào)： SCC2698B
廠商： NXP Semiconductors N.V.
英文描述： Enhanced octal universal asynchronous receiver/transmitter (Octal UART)(增強(qiáng)型八通用異步接收器/傳送器)
中文描述： 增強(qiáng)八進(jìn)制通用異步接收器/發(fā)送器（八路的UART）（增強(qiáng)型八通用異步接收器/傳送器）
文件頁(yè)數(shù)： 14/29頁(yè)
文件大?。?/td> 167K
代理商： SCC2698B
Philips Semiconductors
Product specification
SCC2698B
Enhanced octal universal asynchronous
receiver/transmitter (Octal UART)
2000 Jan 31
14
Table 2. Register Bit Formats
(Continued)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CSR (Clock Select Register)
Receiver Clock Select
See text
Transmitter Clock Select
See text
* See Table 5 for BRG Test frequencies in this data sheet, and “Extended baud rates for SCN2681, SCN68681, SCC2691, SCC2692,
SCC68681 and SCC2698B”P(pán)hilips Semiconductors ICs for Data Communications, IC-19, 1994.
OPCR (Output Port Configuration Register)
This register controls the MPP I/O pins and the MPO multi-purpose output pins.
MPP Function
Select
0 = input
000 = RTSN
1 = output
001 = C/TO
010 = TxC (1X)
011 = TxC (16X)
100 = RxC (1X)
101 = RxC (16X)
110 = TxRDY
111 = RxRDY/FF
NOTE:
*Only OPCR[3] in block A controls the power-down mode.
MPOb Pin Function Select
Power-Down
Mode
*
0 = Off
1 = On
MPOa Pin Function Select
000 = RTSN
001 = C/TO
010 = TxC (1X)
011 = TxC (16X)
100 = RxC (1X)
101 = RxC (16X)
110 = TxRDY
111 = RxRDY/FF
ACR (Auxiliary Control Register)
BRG Select
Counter/Timer Mode and Source
Delta
MPI1bINT
0 = off
1 = on
Delta
MPI0bINT
0 = off
1 = on
Delta
MPI1aINT
0 = off
1 = on
Delta
MPI0aINT
0 = off
1 = on
0 = set 1
1 = set 2
See Text
IPCR (Input Port Change Register)
Delta MPI1b
0 = No
1 = Yes
Delta MPI0b
0 = No
1 = Yes
Delta MPI1a
0 = No
1 = Yes
Delta MPI0a
0 = No
1 = Yes
MPI1b
0 = Low
1 = High
MPI0b
0 = Low
1 = High
MPI1a
0 = Low
1 = High
MPI0a
0 = Low
1 = High
ISR (Interrupt Status Register)
MPI Port
Change
0 = No
1 = Yes
Delta BREAKb
RxRDY/
FFULLb
0 = No
1 = Yes
TxRDYb
Counter
Ready
0 = No
1 = Yes
Delta BREAKa
RxRDY/
FFULLa
0 = No
1 = Yes
TxRDYa
0 = No
1 = Yes
0 = No
1 = Yes
0 = No
1 = Yes
0 = No
1 = Yes
IMR (Interrupt Mask Register)
MPI Port
Change INT
0 = off
1 = on
Delta BREAKb
INT
0 = off
1 = on
RxRDY/
FFULLb INT
0 = off
1 = on
TxRDYb INT
Counter
Ready INT
0 = off
1 = on
Delta BREAKa
INT
0 = off
1 = on
RxRDY/
FFULLa INT
0 = off
1 = on
TxRDYa INT
0 = off
1 = on
0 = off
1 = on
CTPU (Counter/Timer Upper Register)
C/T[15]
C/T[14]
C/T[13]
C/T[12]
C/T[11]
C/T[10]
C/T[9]
C/T[8]
CTPU (Counter/Timer Lower Register)
C/T[7]
C/T[6]
C/T[5]
C/T[4]
C/T[3]
C/T[2]
C/T[1]
C/T[0]
IPR (Input Port Register) MPP and MPI Pins
MPP2b
MPP1b
MPP2a
MPP1a
MPI1b
MPI0b
MPI1a
MPI0a
0 = Low
1 = High
0 = Low
1 = High
0 = Low
1 = High
0 = Low
1 = High
0 = Low
1 = High
0 = Low
1 = High
0 = Low
1 = High
0 = Low
1 = High
NOTE:
When TxEMT and TxRDY bits are at one just before a write to the Transmit Holding register, a command to disable the transmitter
should be delayed until the TxRDY is at one again. TxRDY will set to one at the end of the start bit time.
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SCC2698BC1A84,512 功能描述:UART 接口集成電路 8CH. UART ENHANCED RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SCC2698BC1A84,518 功能描述:UART 接口集成電路 5V INDUSTRIAL UART 8 CHANNEL RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SCC2698BE1A84 功能描述:UART 接口集成電路 5V INDSTRL UART 8 C RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SCC2698BE1A84,512 功能描述:UART 接口集成電路 5V INDSTRL UART 8 C RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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