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LC6529N Fiches technique(PDF) 5 Page - Sanyo Semicon Device

No de pièce LC6529N
Description  One-Time Programmable 4-Bit Single-Chip Microcontroller
Download  14 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC6529N Fiches technique(HTML) 5 Page - Sanyo Semicon Device

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No. 5894-5/14
LC65P29
Pin Descriptions
Pin name
Number
I/O
Function
Option
State during reset
Function in
of pins
PROM mode
Power supply. Must be connected to +5 V
during normal operation.
Power supply. Must be connected to 0 V
during normal operation.
VDD
VSS
1
1
System clock oscillator connections. Leave
OSC2 open and input the external clock to
OSC1 if an external clock is used.
1.Two-pin RC oscillator
(Single-pin external
clock input)
2.Two-pin ceramic
oscillator
3.Divisor option: 1/1, 1/3,
or 1/4
EPROM contorol
signal inputs
CE
TA
OSC1/CE
OSC2/TA
1
I
O
• I/O ports A0 to A3
Input in 4-bit units (IP instruction)
Output in 4-bit units (OP instruction)
Data testing in 1-bit units (BP and BNP
instructions)
Data set and clear operations in 1-bit units
(SPB and RPB instructions)
• PA3 is used for standby mode control.
• Applications must assure that chattering
(key bounce) noise is not input during a
HALT instruction execution cycle.
Open-drain output
• High-level output (The
n-channel output
transistor turned off.)
• Address inputs
A6 to A9
PA0/A6
PA1/A7
PA2/A8
PA3/A9
4
I/O
• I/O ports C0 to C3
The pin functions are identical to those of
pins A0 to A3.
However, there is no standby mode
control function.
• The output during a reset can be specified
to be either high or low as an option.
1. Open-drain output
2. High-level output
during reset
3. Low-level output
during reset
• Selection of items 2 or
3 is in 4-bit units.
• High-level output
• Low-level output
(Depending on an
option selection.)
• Data I/O
D0 to D3
PC0/D0
PC1/D1
PC2/D2
PC3/D3
4
I/O
• I/O ports D0 to D3
The pin functions are identical to those of
pins PC0 to PC3.
The same as for pins
PC0 to PC3
The same as pins PC0 to
PC3
• Data I/O
D4 to D7
PD0/D4
PD1/D5
PD2/D6
PD3/D7
4
I/O
• When comparator input is selected:
CMP0 and CMP1 use VREF0 as the
reference voltage,
CMP2 and CMP3 use VREF1 as the
reference voltage,
• Comparator inputs CMP0 to CMP3
Data input in 4-bit units (IP instruction)
• Data testing in 1-bit units (BP and BNP
instructions)
1. Comparator input
2. Port E input
3. No feedback resistor
4. Feedback resistor
present
• Selection of items 1 or
2 is in 4-bit units.
• Items 3 and 4 are only
specified when item 1
is selected.
• Address inputs
A0 to A3
PE0/CMP0/A0
PE1/CMP1/A1
PE2/CMP2/A2
PE3/CMP3/A3
4
I
• Comparator reference voltage inputs
VREF0 and VREF1
VREF0 is the reference voltage input for
CMP0 and CMP1.
VREF1 is the reference voltage input for
CMP2 and CMP3.
• When PE0/CMP0 to PE3/CMP3 are
selected to function as port E inputs,
these pins are connected to VSS.
• Address inputs
A4 and A5
• EPROM control
signal input
DASEC
VREF0/A4
VREF1/A5/
DASEC
2
I
• System reset input
• Connect an external capacitor to effect the
power-on reset.
• Input a low level for at least 4 clock cycles
to effect a reset restart.
• EPROM control
signal input
VPP/ OE
RES/VPP/OE
1
I
• IC test pin
This pin must be connected to VSS during
normal operation.
• EPROM control
signal input
EPMOD
TEST/EPMOD
1
I
• When input is selected for port E
• Input ports E0 to E3
Input in 4-bit units (IP instruction)
• Data testing in 1-bit units (BP and BNP
instructions)
4
I


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