参数资料
型号: PIC16LF1827-I/P
厂商: Microchip Technology
文件页数: 72/109页
文件大小: 0K
描述: IC PIC MCU FLASH 4K 18-DIP
产品培训模块: XLP Deep Sleep Mode
8-bit PIC® Microcontroller Portfolio
标准包装: 25
系列: PIC® XLP™ mTouch™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 32MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 384 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.6 V
数据转换器: A/D 12x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 18-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 655 (CN2011-ZH PDF)
SC16C850
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 11 November 2010
25 of 55
NXP Semiconductors
SC16C850
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
7.3 FIFO Control Register (FCR)
This register is used to enable the FIFOs, clear the FIFOs, and set the receive FIFO
trigger levels.
7.3.1 FIFO mode
[1]
For 128-byte FIFO mode, refer to Section 7.16, Section 7.17, Section 7.18.
[2]
For 128-byte FIFO mode, refer to Section 7.15, Section 7.17, Section 7.18.
[1]
When RXINTLVL, TXINTLVL, FLWCNTL or FLWCNTH contains any value other than 0x00, receive and
transmit trigger levels are set by RXINTLVL, TXINTLVL registers (see Section 6.4 “FIFO operation”).
Table 10.
FIFO Control Register bits description
Bit
Symbol
Description
7:6
FCR[7:6]
Receive trigger level in 32-byte FIFO mode[1].
These bits are used to set the trigger levels for receive FIFO interrupt and flow
control. The SC16C850 will issue a receive ready interrupt when the number of
characters in the receive FIFO reaches the selected trigger level. Refer to
5:4
FCR[5:4]
Transmit trigger level in 32-byte FIFO mode[2].
These bits are used to set the trigger level for the transmit FIFO interrupt and
flow control. The SC16C850 will issue a transmit empty interrupt when the
number of characters in FIFO drops below the selected trigger level. Refer to
3
FCR[3]
reserved
2
FCR[2]
XMIT FIFO reset.
logic 0 = no FIFO transmit reset (normal default condition)
logic 1 = clears the contents of the transmit FIFO and resets the FIFO
counter logic. This bit will return to a logic 0 after clearing the FIFO.
1
FCR[1]
RCVR FIFO reset.
logic 0 = no FIFO receive reset (normal default condition)
logic 1 = clears the contents of the receive FIFO and resets the FIFO counter
logic. This bit will return to a logic 0 after clearing the FIFO.
0
FCR[0]
FIFO enable.
logic 0 = disable the transmit and receive FIFO (normal default condition)
logic 1 = enable the transmit and receive FIFO
Table 11.
RCVR trigger levels
FCR[7]
FCR[6]
RX FIFO trigger level (bytes) in 32-byte FIFO mode[1]
00
8
01
16
10
24
11
28
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