參數(shù)資料
型號(hào)： ST16C554DIJ68
廠商： STARTECH SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： Plug-In Relay; Contacts:DPDT; Contact Carry Current:15A; Coil Voltage AC Max:120V; Relay Mounting:Plug-In; Relay Terminals:Quick Connect; Coil Resistance:4430ohm RoHS Compliant: Yes
中文描述： 4 CHANNEL(S), 448K bps, SERIAL COMM CONTROLLER, PQCC68
文件頁(yè)數(shù)： 5/40頁(yè)
文件大小： 518K
代理商： ST16C554DIJ68
ST16C554/554D/68C554
5
Rev. 3.10
SYMBOL DESCRIPTION
Symbol
Pin
Signal
type
Pin Description
68
64
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, INT A-
D, and -CS A-D are re-assigned with the logical state of this
pin. When this pin is a logic 1, the 16 mode interface
16C554D is selected. When this pin is a logic 0, the 68 mode
interface (68C554) 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 INT A-D(s) are connected in
a WIRE-OR configuration. The WIRE-OR outputs are
connected internally to the open source 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.
A3-A4
20,50
-
I
Address 3-4 Select Bits. - When the 68 mode is selected,
these pins are used to address or select individual UARTs
(providing -CS is a logic 0). In the 16 mode, these pins are
reassigned as chip selects, see -CSB and -CSC. These pins
are not available on 64 pin packages which operate in the
16 mode only.
-CS
16
-
I
Chip Select. (active low) - In the 68 mode, this pin functions
as a multiple channel chip enable. In this case, all four
UARTs (A-D) are enabled when the -CS pin is a logic 0. An
individual UART channel is selected by the data contents of
address bits A3-A4. When the 16 mode is selected (68 pin
device), this pin functions as -CSA, see definition under -CS
A-B. This pin is not available on 64 pin packages which
operate in the 16 mode only.
相關(guān)PDF資料
PDF描述
ST16C554DIQ64 QUAD UART WITH 16-BYTE FIFOS
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ST16C554DCQ64 QUAD UART WITH 16-BYTE FIFOS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C554DIJ68-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp -45 to 85C;UART 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
ST16C554DIJ68TR-F 功能描述:UART 接口集成電路 QUAD UART W/16 BYTE FIFO 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
ST16C554DIQ64 制造商:Exar Corporation 功能描述:QUAD UART W/16 BYTE FIFO
ST16C554DIQ64-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp -45 to 85C;UART 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
ST16C554DIQ64TR-F 功能描述:UART 接口集成電路 QUAD UART W/16 BYTE FIFO 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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