参数资料
型号: SC16C852VIET,151
厂商: NXP Semiconductors
文件页数: 29/55页
文件大小: 0K
描述: IC UART DUAL W/FIFO 36TFBGA
标准包装: 490
特点: 可编程
通道数: 2,DUART
FIFO's: 128 字节
规程: RS485
电源电压: 2.5V
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: 36-TFBGA
供应商设备封装: 36-TFBGA(3.5x3.5)
包装: 托盘
其它名称: 568-5662
935282518151
SC16C852VIET,151-ND
SC16C852VIET-S
SC16C852VIET-S-ND
SC16C852V
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 21 January 2011
35 of 55
NXP Semiconductors
SC16C852V
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
7.17 Flow Control Trigger Level High (FLWCNTH)
This 8-bit register is used to store the receive FIFO high threshold levels to start/stop
transmission during hardware/software flow control. Table 29 shows transmission control
register bit settings; see Section 6.5.
[1]
For 32-byte FIFO mode, refer to Section 7.3 “FIFO Control Register (FCR)”.
7.18 Flow Control Trigger Level Low (FLWCNTL)
This 8-bit register is used to store the receive FIFO low threshold levels to start/stop
transmission during hardware/software flow control. Table 30 shows transmission control
register bit settings; see Section 6.5.
[1]
For 32-byte FIFO mode, refer to Section 7.3 “FIFO Control Register (FCR)”.
7.19 Clock prescaler (CLKPRES)
This register hold values for the clock prescaler.
Table 29.
FLWCNTH register bits description
Bit
Symbol
Description
7:0
FLWCNTH[7:0]
This register stores the programmable HIGH threshold level for
hardware and software flow control for 128-byte FIFO mode.[1]
0x00 = trigger level is set to 1
0x01 = trigger level is set to 1
...
0x80 = trigger level is set to 128
Table 30.
FLWCNTL register bits description
Bit
Symbol
Description
7:0
FLWCNTL[7:0]
This register stores the programmable LOW threshold level for
hardware and software flow control for 128-byte FIFO mode.[1]
0x00 = trigger level is set to 1
0x01 = trigger level is set to 1
...
0x80 = trigger level is set to 128
Table 31.
Clock prescaler register description
Bit
Symbol
Description
7:4
CLKPRES[7:4]
reserved
3:0
CLKPRES[3:0]
clock prescaler value; reset to 0
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