参数资料
型号: ST16C580CQ48-F
厂商: Exar Corporation
文件页数: 18/39页
文件大小: 0K
描述: IC UART FIFO 16B 48TQFP
标准包装: 250
特点: *
通道数: 1,UART
FIFO's: 16 字节
电源电压: 2.97 V ~ 5.5 V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 托盘
ST16C580
25
Rev. 1.22
hardware flow control. -RTS functions normally when
hardware flow control is disabled.
0 = Automatic RTS flow control is disabled. (normal
default condition)
1 = Enable Automatic RTS flow control.
EFR bit-7:
Automatic CTS Flow Control.
Logic 0 = Automatic CTS flow control is disabled.
(normal default condition)
Logic 1 = Enable Automatic CTS flow control. Trans-
mission will stop when -CTS goes to a logical 1.
Transmission will resume when the -CTS pin returns
to a logical 0.
ST16C580 EXTERNAL RESET CONDITIONS
REGISTERS
RESET STATE
IER
IER BITS 0-7 = logic 0
ISR
ISR BIT-0=1, ISR BITS 1-7 = logic
0
LCR, MCR
BITS 0-7 = logic 0
LSR
LSR BITS 0-4 = logic 0,
LSR BITS 5-6 = logic 1 LSR, BIT
7 = logic 0
MSR
MSR BITS 0-3 = logic 0,
MSR BITS 4-7 = logic levels of the
input signals
FCR, EFR
BITS 0-7 = logic 0
SIGNALS
RESET STATE
TX
Logic 1
-OP1
Logic 1
-OP2
Logic 1
-RTS
Logic 1
-DTR
Logic 1
-RXRDY
Logic 1
-TXRDY
Logic 0
INT
Logic 0
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