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M35061 数据表(PDF) 35 Page - Renesas Technology Corp

部件名 M35061
功能描述  SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
PDF  40 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

M35061 数据表(HTML) 35 Page - Renesas Technology Corp

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34
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
M35061-XXXSP/FP
MITSUBISHI MICROCOMPUTERS
NOTE FOR SUPPLYING POWER
(1) Timing of power supplying to AC pin
The internal circuit of M35061-XXXSP/FP is reset when the level
of the auto clear input pin AC is “L”.
This pin is hysteresis input with the pull-up resistor. The timing
about power supplying of AC pin is shown in Figure 18.
After supplying the power (VDD and VSS) to M35061-XXXSP/FP,
the tW time must be reserved for 1 ms or more.
Before starting input from the microcomputer, the waiting time
(tS) must be reserved for 200 ms after the supply voltage to the
AC pin becomes 0.8 ✕ VDD or more.
(2) Timing of power supplying to VDD1 pin and VDD2 pin
The power need to supply to VDD1 and VDD2 at a time, though it
is separated perfectly between the VDD1 as the digital line and
the VDD2 as the analog line.
__
Fig. 18 Timing of power supplying to AC pin
Supply voltage
VDD
0.8 ✕ VDD
0.2 5 VDD
tw
Voltage [V]
Time t [s]
VAC
(AC pin input voltage)
200ms
Data input is not available
PRECAUTION FOR USE
Notes on noise and latch-up
In order to avoid noise and latch-up, connect a bypass capacitor
(0.1µF) directly between the VDD1 pin and VSS pin, and the VDD2 pin
and VSS pin using a heavy wire.
DATA REQUIRED FOR MASK ROM ORDERING
Please send the following data for mask orders.
(1) M35061-XXXSP/FP mask ROM order confirmation form
(2) 32P2W-A, 32P4B mask specification form
(3) ROM data (EPROM 3 sets)
(4) Floppy disks containing the character font generating program
+character data



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