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LC662516A Fiches technique(PDF) 6 Page - Sanyo Semicon Device

No de pièce LC662516A
Description  Four-Bit Single-Chip Microcontroller with 16 KB of On-Chip EPROM
Download  26 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC662516A Fiches technique(HTML) 6 Page - Sanyo Semicon Device

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No. 5486-6/26
LC66E2316
Continued on next page.
Pin
I/O
Overview
Output driver type
Options
State after a Standby mode
reset
operation
P30/INT1/A4
P31/POUT0/
A5
P32/POUT1/
A6
P33/HOLD
P40/INV0I/
A7
P41/INV0O/
A8
P42/INV1I/
A9
P43/INV1O/
A10
P50/A11
P51/A12
P52/A13
P53/INT2/TA
P60/ML
P61
P62/DT
P63/PIN1
I/O ports P30 to P32
• Input or output in 3-bit or 1-bit units
• P30 is also used as the INT1 interrupt
request.
• P31 is also used for the square wave
output from timer 0.
• P32 is also used for the square wave
and PWM output from timer 1.
• P31 and P32 also support 3-state
outputs.
• Used as address pins in EPROM mode
Hold mode control input
• Hold mode is set up by the HOLD
instruction when HOLD is low.
• In hold mode, the CPU is restarted by
setting HOLD to the high level.
• This pin can be used as input port P33
along with P30 to P32.
• When the P33/HOLD pin is at the low
level, the CPU will not be reset by a
low level on the RES pin. Therefore,
applications must not set P33/HOLD
low when power is first applied.
I/O ports P40 to P43
• Input or output in 4-bit or 1-bit units
• Input or output in 8-bit units when used
in conjunction with P50 to P53.
• Can be used for output of 8-bit ROM
data when used in conjunction with
P50 to P53.
• Dedicated inverter circuit (option)
• Used as address pins in EPROM mode
I/O ports P50 to P53
• Input or output in 4-bit or 1-bit units
• Input or output in 8-bit units when used
in conjunction with P40 to P43.
• Can be used for output of 8-bit ROM
data when used in conjunction with
P40 to P43.
• P53 is also used as the INT2 interrupt
request.
• Used as address pins in EPROM mode
I/O ports P60 to P63
• Input or output in 4-bit or 1-bit units
• P60 is also used as the melody output
ML pin.
• P62 is also used as the tone output DT
pin.
• P63 is also used for the event count
input to timer 1.
I/O
I
I/O
I/O
I/O
• Pch: CMOS type
• Nch: Intermediate sink current
type
• Pch: Pull-up MOS type
• CMOS type when the inverter
circuit option is selected
• Nch: Intermediate sink current
type
• Pch: Pull-up MOS type
• Nch: Intermediate sink current
type
• Pch: CMOS type
• Nch: Intermediate sink current
type
CMOS or Nch OD
output
• Pull-up MOS or
Nch OD output
• Output level on
reset
• Inverter circuit
• Pull-up MOS or
Nch OD output
• Output level on
reset
CMOS or Nch OD
output
H
• High or
low
(option)
• Inverter
I/O is set
to the
output off
state.
High or low
(option)
H
Hold mode:
Output off
Hold mode:
Port output
off, inverter
output off
Hold mode:
Output off
Hold mode:
Output off
Halt mode:
Output
retained
Halt mode:
Output
retained
Halt mode:
Port output
retained,
inverter
output
continues
Halt mode:
Output
retained


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