YTD426B データシートの表示（PDF） - Yamaha Corporation
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YTD426B Datasheet PDF : 51 Pages
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3.2. PIN FUNCTIONS
9
3.2.2 AFE Interface
Pin No. Pin name
2 AFEDATA0
3 AFEDATA1
4 AFEDATA2
5 AFEDATA3
7 AFEDATA4
8 AFEDATA5
9 AFEDATA6
10 AFEDATA7
11 AFEDATA8
12 AFEDATA9
13 AFEDATA10
14 AFEDATA11
16 AFEDATA12
17 AFEDATA13
20 AFEDATA14
21 AFEDATA15
23 STRBN
24 RWN
25 ADDRES0
26 ADDRES1
143 CLK640K
I/O
Function
Remarks
OUT 8-bit output bus to the AFE section (3 states)
with pull-up
resistor
OUT Connect to the D7 to D0 pins of YTD427.
with pull-up
resistor
OUT
with pull-up
resistor
OUT
with pull-up
resistor
OUT
with pull-up
resistor
OUT
with pull-up
resistor
OUT
with pull-up
resistor
OUT
with pull-up
resistor
IN 8-bit input bus from the AFE section
with pull-up
resistor
IN Connect to the D15 to D8 pins of YTD427.
with pull-up
resistor
IN
with pull-up
resistor
IN
with pull-up
resistor
IN
with pull-up
resistor
IN
with pull-up
resistor
IN
with pull-up
resistor
IN
with pull-up
resistor
Strobe signal (Becomes \L" during external
read/write)
OUT
During read: Read the data on the rising edge.
During write: The external device acquires the
data on the rising edge.
Connects to the STRBN pin of YTD427.
Read/Write signal
OUT
During write: Becomes \L" level. During all
other times, it is \H".
Connects to the RWN pin of YTD427.
OUT
YTD426B controls the AFE section for the
read/write operation.
OUT Connects to the A0 and A1 pins of YTD427.
OUT
A/D sampling clock (640 kHz)
Connects to the ADCK pin of YTD427.
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