参数资料
型号: SC16IS752IPW-T
厂商: NXP Semiconductors
文件页数: 24/60页
文件大小: 0K
描述: IC UART DUAL I2C/SPI 28-TSSOP
标准包装: 2,500
特点: 低电流
通道数: 2,DUART
FIFO's: 64 字节
规程: RS232,RS485
电源电压: 2.5V, 3.3V
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:
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 带卷 (TR)
配用: 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART
568-3510-ND - DEMO BOARD SPI/I2C TO UART
SC16IS752_SC16IS762
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 9 — 22 March 2012
30 of 60
NXP Semiconductors
SC16IS752; SC16IS762
Dual UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
8.13 Transmitter FIFO Level register (TXLVL)
This register is a read-only register. It reports the number of spaces available in the
transmit FIFO.
8.14 Receiver FIFO Level register (RXLVL)
This register is a read-only register, it reports the fill level of the receive FIFO, that is, the
number of characters in the RX FIFO.
8.15 Programmable I/O pins Direction register (IODir)
This register is used to program the I/O pins direction. Bit 0 to bit 7 controls GPIO0 to
GPIO7.
8.16 Programmable I/O pins State register (IOState)
When ‘read’, this register returns the actual state of all I/O pins. When ‘write’, each
register bit will be transferred to the corresponding I/O pin programmed as output.
Table 24.
Transmitter FIFO Level register bits description
Bit
Symbol
Description
7
-
not used; set to zeros
6:0
TXLVL[6:0]
number of spaces available in TX FIFO, from 0 (0x00) to 64 (0x40)
Table 25.
Receiver FIFO Level register bits description
Bit
Symbol
Description
7
-
not used; set to zeros
6:0
RXLVL[6:0]
number of characters stored in RX FIFO, from 0 (0x00) to 64 (0x40)
Table 26.
IODir register bits description
Bit
Symbol
Description
7:0
IODir
Set GPIO pins [7:0] to input or output.
0 = input
1 = output
Table 27.
IOState register bits description
Bit
Symbol
Description
7:0
IOState
Write this register: set the logic level on the output pins
0 = set output pin to zero
1 = set output pin to one
Read this register: return states of all pins
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