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LC662104A Datasheet(PDF) 6 Page - Sanyo Semicon Device

No. de Pieza. LC662104A
Descripción  Four-Bit Single-Chip Microcontrollers with 4, 6, and 8 KB of On-Chip ROM
Descarga  13 Pages
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Fabricante  SANYO [Sanyo Semicon Device]
Página de inicio  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC662104A Datasheet(HTML) 6 Page - Sanyo Semicon Device

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No. 5996-6/13
LC662104A, 662106A, 662108A
Continued from preceding page.
Note: Pull-up MOS type: The output circuit includes a MOS transistor that pulls the pin up to VDD.
CMOS output: Complementary output.
OD output: Open-drain output.
Pin
I/O
Overview
Output driver type
Options
State after a
reset
P50
P51/DP
P52/DT
P53/INT2
OSC1
OSC2
RES
TEST
VDD
VSS
I/O ports P50 to P53
• Input or output in 4-bit or 1-bit units
• P51 is also used for dial pulse output
• P52 is also used for DTMF output
• P53 is also used as the INT2 interrupt
request.
System clock oscillator connections
When an external clock is used, leave
OSC2 open and connect the clock signal
to OSC1.
System reset input
When the P33/HOLD pin is at the high
level, a low level input to the RES pin will
initialize the CPU.
CPU test pin
This pin must be connected to VSS
during normal operation.
Power supply pins
I/O
I
O
I
I
• Pch: Pull-up MOS type
• Nch: Intermediate sink current
type
• Nch: +15-V handling when
OD option selected (P51 and
P53 only)
• Pull-up MOS or Nch
OD output
• Output level on reset
• Output level after a
reset
(An external pull-up
resistor must be
supplied when used
for DT output.)
Ceramic oscillator or
external clock selection
High or low (option)
Option selection


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