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零件编号
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HD61202UFS 查看數據表(PDF) - Hitachi -> Renesas Electronics
零件编号
产品描述 (功能)
生产厂家
HD61202UFS
Dot Matrix Liquid Crystal GraphicDisplay Column Driver
Hitachi -> Renesas Electronics
HD61202UFS Datasheet PDF : 33 Pages
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HD61202U
Busy Flag
Busy flag = 1 indicates that HD61202U is operating and no instructions except status read instruction can
be accepted. The value of the busy flag is read out on DB7 by the status read instruction. Make sure that
the busy flag is reset (0) before issuing instructions.
D/I
R/W
E
Address
Output
register
DB0–DB7
N
N+1
N+2
Busy
check
Write
address N
Busy
check
Read data
(dummy)
Data at address N Data at address N + 1
Busy
check
Read
data at
address N
Busy
check
Data read
address
N+1
Figure 1 MPU Read Timing
E
Busy
flag
T Busy
1/f
CLK
≤
T Busy
≤
3/f
CLK
f
CLK
is ø1, ø2 frequency
Figure 2 Busy Flag
825
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