LC65E29 Datasheet PDF - Sanyo
| Part Number | LC65E29 | |
| Description | One-Time Programmable 4-Bit Single-Chip Microcontroller | |
| Manufacturers | Sanyo | |
| Logo |  |
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Ordering number : EN5894
CMOS IC
LC65P29
One-Time Programmable 4-Bit Single-Chip
Microcontroller
Overview
The LC65P29 is a one-time programmable (on-chip
PROM) version of Sanyo's LC6529N/F/L 4-bit single-chip
CMOS microcontroller. It provides identical functionality
to, and pin compatibility with, the mask ROM versions of
the LC6529N/F/L, and provides a 1-KB internal PROM.
The LC65P29 is provided in DIP24S and MFP30S plastic
packages and the program can be written by the customer,
thus makes this IC appropriate for the limited-run products
and the startup of initial production of new products.
Furthermore, it can provide reduced changeover periods
when end product specifications change.
Additionally, the LC65P29 can function as a one-time
programmable PROM version of the Sanyo LC6527N/F/L
and LC6528N/F/L by using the 29T27 adapter socket.
Features
• Mask option settings can be switched by setting PROM
data.
All options, except for the port output circuit type can be
set with PROM data.
• 1-KB PROM
• PROM data security function
• Pin compatible with the mask ROM version
• Instruction cycle time: 0.92 µs to 20 µs
• Packages: DIP24S and MFP30S
Package Dimensions
unit: mm
3067-DIP24S(300mil)
[LC65P29]
SANYO: DIP24S(300mil)
unit: mm
3216-MFP30S(375mil)
[LC65P29]
SANYO: MFP30S(375mil)
Note: The package dimension figures are provide for reference purposes
without dimensional tolerances. Contact your Sanyo representative
for the official package dimension figures.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
61298RM (OT) No. 5894-1/14
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LC65P29
Pin Descriptions
Pin name
VDD
VSS
Number
of pins I/O
Function
Power supply. Must be connected to +5 V
1 — during normal operation.
1 — Power supply. Must be connected to 0 V
during normal operation.
Option
OSC1/CE
OSC2/TA
1.Two-pin RC oscillator
(Single-pin external
I System clock oscillator connections. Leave clock input)
1 OSC2 open and input the external clock to 2.Two-pin ceramic
O OSC1 if an external clock is used.
oscillator
3.Divisor option: 1/1, 1/3,
or 1/4
State during reset
—
—
Function in
PROM mode
EPROM contorol
signal inputs
CE
TA
PA0/A6
PA1/A7
PA2/A8
PA3/A9
4
PC0/D0
PC1/D1
PC2/D2
PC3/D3
PD0/D4
PD1/D5
PD2/D6
PD3/D7
4
4
PE0/CMP0/A0
PE1/CMP1/A1
PE2/CMP2/A2
PE3/CMP3/A3
4
4
VREF0/A4
VREF1/A5/
DASEC
2
RES/VPP/OE
1
TEST/EPMOD 1
• 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)
I/O Data set and clear operations in 1-bit units Open-drain output
(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.
• High-level output (The
n-channel output
transistor turned off.)
• Address inputs
A6 to A9
• I/O ports C0 to C3
1. Open-drain output
I/O
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
2. High-level output
during reset
3. Low-level output
during reset
• Selection of items 2 or
• High-level output
• Low-level output
(Depending on an
option selection.)
to be either high or low as an option.
3 is in 4-bit units.
• Data I/O
D0 to D3
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 • Data I/O
PC3
D4 to D7
• When comparator input is selected:
CMP0 and CMP1 use VREF0 as the
reference voltage,
CMP2 and CMP3 use VREF1 as the
I 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)
• When input is selected for port E
• Input ports E0 to E3
I 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.
• Comparator reference voltage inputs
VREF0 and VREF1
VREF0 is the reference voltage input for
CMP0 and CMP1.
I 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.
• System reset input
• Connect an external capacitor to effect the
I power-on reset.
• Input a low level for at least 4 clock cycles
to effect a reset restart.
• IC test pin
I This pin must be connected to VSS during
normal operation.
• Address inputs
A0 to A3
• Address inputs
A4 and A5
• EPROM control
signal input
DASEC
• EPROM control
signal input
VPP/ OE
• EPROM control
signal input
EPMOD
No. 5894-5/14
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| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LC65E29.PDF Datasheet ] | |
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