參數(shù)資料
型號(hào): THS1403EVM
廠商: Texas Instruments, Inc.
英文描述: THS1403EVM(THS1403評(píng)估板)
中文描述: THS1403EVM(THS1403評(píng)估板)
文件頁(yè)數(shù): 24/39頁(yè)
文件大?。?/td> 523K
代理商: THS1403EVM
Address Decode and Control Logic Listing
3-7
Circuit Description
3.2
Address Decode and Control Logic Listing
Module Address
Address Decode for THS14xx/5691
This file performs the address decode and logic control for the
THS14xx_5691_EV1_Rev2 PCB.
The equivalent truth tables are:
Chip Select Decode
OUT_EA6
OUT_EA5
OUT_EA4
OUT_EA3
OUT_EA2
OUT_CE
ADCCSB
DACCSB
1
0
0
0
0
0
0
1
1
0
0
0
1
0
0
1
1
0
0
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
0
0
0
0
All other combinations
1
1
Buffer Control Decode
Oper
ation
ADCCSB
DACCSB
OUT_ARE
OUT_AWE
DBUFOEB
ABUFDIR
ABUFDIRB
ABUFOEB
DACMODE
Write
to
DAC
1
0
1
0
0
1
1
1
1
Write
to
ADC
0
1
1
0
1
0
1
0
1
Read
from
ADC
0
1
0
1
1
1
0
0
1
Loop
back
0
0
0
1
0
1
0
0
0
All other combinations
1
1
1
1
1
Note:
Bit 13 of the data bus to the DAC is inverted when in loopback mode to
account for the DAC powering up in 2s-complement input mode while the ADC
powers up in binary mode.
Inputs
OUT_EA2
pin; Address bit from DSP board
OUT_EA3
pin; Address bit from DSP board
OUT_EA4
pin; Address bit from DSP board
OUT_EA5
pin; Address bit from DSP board
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