参数资料
型号: AFE7222IRGCR
厂商: Texas Instruments
文件页数: 53/106页
文件大小: 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
标准包装: 2,000
位数: 12
通道数: 4
功率(瓦特): 610mW
电压 - 电源,模拟: 2.85 V ~ 3.6 V
电压 - 电源,数字: 1.7 V ~ 1.9 V
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-VQFN 裸露焊盘(9x9)
包装: 带卷 (TR)
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
RESOLUTION_TX<2:0>
RESOLUTION
000
12
MSB_FIRST_TX<1:0>: Decides whether LSB first or MSB first. Default is LSB first..
MSB_FIRST_TX
DATA PATTERN
0
LSB first
1
MSB first
SERIALIZATION_TX<1:0>: Sets serialization factor of the transmitter.
SERIALIZATION_TX<1:0>
SERIALIZATION FACTOR
00
12x (default)
01
14x
10
16x
SDR_TX: By setting this Tx expects SDR input pattern, where as the default is DDR. Bit clock is double
rate in SDR mode.
Register Name – CONFIG126 – Address 0x30C, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
MASTER_OVERRIDE_TX
BITWISE_TX
DFS_TX
All the modes of register 0x30C works only if MASTER_OVERRIDE_TX (Bit <2> in Address 0x30C) is
enabled.
MASTER_OVERRIDE_TX: Master bit for various override modes
BITWISE_TX: To set the device in bitwise mode.
DFS_TX: Determines the data format of the incoming data.
DFS_TX
DATA FORMAT
0
2’s complement (default)
1
straight offset binary
Register Name – CONFIG127 – Address 0x30d, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
WORDWISE_TX
All the modes of register 0x30D works only if MASTER_OVERRIDE_TX (Bit <2> in Address 0x30C) is
enabled.
WORDWISE_TX: If set, TX expects word mode format data.
50
REGISTER DESCRIPTIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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