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HA0064E の電気的特性と機能

HA0064EのメーカーはHoltek Semiconductorです、この部品の機能は「Decoder (10+2 - Corresponds to HT6010/HT6012)」です。


製品の詳細 ( Datasheet PDF )

部品番号 HA0064E
部品説明 Decoder (10+2 - Corresponds to HT6010/HT6012)
メーカ Holtek Semiconductor
ロゴ Holtek Semiconductor ロゴ 




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HA0064E Datasheet, HA0064E PDF,ピン配置, 機能
312 Decoder (10+2 - Corresponds to HT6010/HT6012)
312 Decoder (10+2 - Corresponds to
HT6010/HT6012)
D/N: HA0064E
Introduction
This application shows how to use the HT48R50A-1 to simulate the HT6032 312 decoder
function to decode the 10 Address bits and 2 Data bits for the HT6010/HT6012.
Function and Theory
The 312 Decoder function can decode the 10 Address bits and 2 Data bits each of which
can be set individually to either 1and 0.
MCU: HT48R50A-1
Method: uses the HT6032 decoding process (see the HT6032 datasheet) to check the
corresponding signal width to judge if the signal is either a 0, 1or floating. The
corresponding width can decode skewed signals, the tolerance of which can be adjusted
by MAXDURATION in the program.
Pin Function:
PB0~PB7: Address input pins
PC0~PC1: Address input pins
PD2~PD3: Data output pins
PA5: Serial data input pin
PD4: Valid transmission pin
1

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HA0064E pdf, ピン配列
312 Decoder (10+2 - Corresponds to HT6010/HT6012)
Program Flowchart
INITIAL
VTCOUNT1=0? N
Y
N
VT CO UNT 0= 0?
Y
Clear VT pin
VT CO UNT 1
Decrease 1
Clear VTBIT
VT CO UNT 1= E3H
VTCOUNT0
Decrease 1
DECO DERPI N= 0
N
Y
DECO DER_STATUS= 0
Y
LO_COUNT Increase 1
N
N
Z = 1?
Y
LO_COUNT
Decrease 1
Return to Main
N
DECODER_STATUS= 1?
Y
HI_COUNT Increase 1
N
Z= 1?
Y
LO_COUNT
Decrease 1
Return to Main
Set DECODER_STATUS
Move HI_COUNT to
HI_COUNT_SAVE
N
B
N
LO_COUNT_SAVE<
MAXDURATION?
Y
HI_COUNT_SAVE
> LO _CO UNT _SAVE
Y
Clear C
Set C
RRC
DECODER_CODE[2]
Clear DECODER_STATUS
Move LO_COUNT to
LO_COUNT_SAVE
Clear LO_COUNT
HI_COUNT_SAVE<
MAXDURAT IO N?
Y
N
B BITCOUNTER=12
Clear
DECODER_CODE[0],DE
CODER_CODE[1]
Return to Main
RRC
DECODER_CODE[1]
RRC
DECODER_CODE[0]
BIT CO UNT ER
Decrease 1
N
BIT CO UNT ER= 0?
Return to Main
Y
N
W O RDCNT = 3?
Y
Move
DECODER_CODE[1]
to DATARES
WORDCNT
Decrease 1
A
3
A
Read 10-bit address
N Match with
receives ?
Y
W O RDCNT = 0?
Y
N
MAT CHBI T = 0?
N
Y
N
W O RDCNT = 1?
Y
Set MATCHBIT
Return to Main
Set
DECODER_FLAG
Output data to data
pins
VT CO UNT 1=E3H
VTCOUNT0=06H
Set VT
and VTBIT
Return to Main
Clear
DECODER_FLAG,
MATCHBIT
Clear LO_COUNT_SAVE
and HI_COUNT_SAVE
Return to Main


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共有リンク

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部品番号部品説明メーカ
HA0064E

Decoder (10+2 - Corresponds to HT6010/HT6012)

Holtek Semiconductor
Holtek Semiconductor


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