参数资料
型号: XR21V1410IL16-F
厂商: Exar Corporation
文件页数: 6/30页
文件大小: 0K
描述: IC UART FIFO USB SGL 16QFN
产品培训模块: UART Product Overview
XR21V141x Full-Speed USB UART Family
产品变化通告: XR21V1410IL16-F Packing Change 26/Jan/2011
特色产品: XR21V141x Full-Speed USB UART
标准包装: 490
特点: *
通道数: 1,UART
FIFO's: 128 字节,384 字节
规程: USB 2.0
电源电压: 2.97 V ~ 3.63 V
带自动流量控制功能:
安装类型: 表面贴装
封装/外壳: 16-VFQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(3x3)
包装: 散装
配用: 1016-1299-ND - EVAL BOARD FOR XR21V1410IL
其它名称: 1016-1300
XR21V1410
14
1-CH FULL-SPEED USB UART
REV. 1.4.0
3.0
REGISTER SET DESCRIPTION
The internal register set of the V1410 consists of 3 different blocks of registers: the UART Manager, UART
registers and UART miscellaneous registers. The UART Manager controls the TX and RX enables and FIFOs
of all UART channels. The UART registers configure and control the remaining UART channel functionality
with the exception of low latency mode, wide mode and custom interrupt packet enables in the UART custom
register block.
Registers are accessed only via the USB interface by the XR_SET_REG and XR_GET_REG commands listed
in Table 4. The register address offsets are given in Table 6, Table 7 and Table 15, and the register blocks
are given in Table 5.
3.1
UART Manager Registers
3.1.1
FIFO_ENABLE Registers
Enables the RX FIFO and TX FIFOs. For proper functionality, the UART TX and RX must be enabled in the
following order:
FIFO_ENABLE = 0x1
// Enable TX FIFO
UART_ENABLE = 0x3
// Enable TX and RX
FIFO_ENABLE = 0x3
// Enable RX FIFO
3.1.2
RX_FIFO_RESET and TX_FIFO_RESET Registers
Writing a non-zero value to these registers resets the FIFOs.
TABLE 6: UART MANAGER REGISTERS
ADDRESS
REGISTER NAME
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
0X10
FIFO_ENABLE
0
RX
TX
0X18
RX_FIFO_RESET
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
0x1C
TX_FIFO_RESET
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
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