参数资料
型号: AFE7222IRGCT
厂商: Texas Instruments
文件页数: 33/106页
文件大小: 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
标准包装: 1
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: 标准包装
其它名称: 296-30113-6
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Register Name – CONFIG50 – Address 0x137, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG5(15:8)
CHB_REG5(15:8) – Upper 8 bits for sample 5 for DAC B.
Register Name – CONFIG51 – Address 0x138, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG5(7:0)
CHB_REG5(7:0) – Lower 8 bits for sample 5 for DAC B
Register Name – CONFIG52 – Address 0x139, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG6(15:8)
CHB_REG6(15:8) – Upper 8 bits for sample 6 for DAC B.
Register Name – CONFIG53 – Address 0x13A, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG6(7:0)
CHB_REG6(7:0) – Lower 8 bits for sample 6 for DAC B.
Register Name – CONFIG54 – Address 0x13B, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG7(15:8)
CHB_REG7(15:8) – Upper 8 bits for sample 7 for DAC B.
Register Name – CONFIG55 – Address 0x113C, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG7(7:0)
CHB_REG7(7:0) – Lower 8 bits for sample 7 for DAC B
Register Name – CONFIG56 – Address 0x13D, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG8(15:8)
CHB_REG8(15:8) – Upper 8 bits for sample 8 for DAC B.
Register Name – CONFIG57 – Address 0x13E, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
CHB_REG8(7:0)
CHB_REG8(7:0) – Lower 8 bits for sample 8 for DAC B
Register Name – CONFIG58 – Address 0x13F, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
EN_IP_CLK_STOP_DET
EN_FIFO_COLLISION_DET
EN_FIFO_COLLISION_DET – On RESET (and when synced), the read and write pointers of the FIFO are
set 4 positions away. The read pointer increments at the DAC_DCLKIN rate whereas the write pointer
increments at the divided DAC_CLK rate. While the frequencies of these 2 clocks are expected to be the
same, relative phase drifts can cause this relative difference of 4 positions to drift. When the
EN_FIFO_COLLISION_DET bit is set, a collision condition is detected when the relative difference
32
REGISTER DESCRIPTIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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