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LC66E308 Fiches technique(PDF) 4 Page - Sanyo Semicon Device

No de pièce LC66E308
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

LC66E308 Fiches technique(HTML) 4 Page - Sanyo Semicon Device

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Usage Notes
The LC66E2316 was created for program development, product evaluation, and prototype development for products
based on the LC6623XX Series microcontrollers. Keep the following points in mind when using this product.
1. After a reset
The RES pin must be held low for an additional 3 instruction cycles after the oscillator stabilization period has
elapsed. Also, the port output circuit types are set up during the 9 instruction cycles immediately after RES is set
high. Only then is the program counter set to 0 and program execution started from that location. (The port output
circuits all revert to the open-drain type during periods when RES is low.)
2. Notes on LC6623XX evaluation
The high end of the EPROM area (locations 3FF0H to 3FFFH) are the option specification area. Option specification
data must be programmed for and loaded into this area. The Sanyo specified cross assembler for this product is the
program LC66S.EXE. Also, insert JMP instructions so that user programs do not attempt to execute addresses that
exceed the capacity of the mask ROM, and write zeros (00H) to areas (other than 3FF0H to 3FFFH) that exceed the
actual capacity of the mask ROM.
3. Always apply an opaque seal to the window on the LC66E2316 package when actually using the device.
Main differences between the LC66E2316, LC66P2316, and LC6623XX Series
Note: * Although the microcontroller will remain in hold mode if the RES pin is set low while it is in hold mode, always use the reset start sequence (after
switching HOLD from low to high, switch RES from low to high) when clearing hold mode. Also not that a current of about 100 µA flows from the
RES pin when it is low. This increases the hold mode current drain by about 100 µA.
See the data sheets for the individual products for details on other differences.
No. 5486-4/26
LC66E2316
Item
LC6623XX Series (mask version)
LC66E2316
LC66P2316
Differences in the main
characteristics
–30 to +70°C
+10 to +40°C
–30 to +70°C
• Operating temperature range
• Operating supply voltage/operating
3.5 to 5.5 V/0.95 to 10 µs
4.5 to 5.5 V/0.95 to 10 µs
4.0 to 5.5 V/0.95 to 10 µs
frequency (cycle time)
Typical: 10 µA
Typical: 10 µA
• Input high-level current (RES)
Maximum: 1 µA
(normal operation and halt mode)
(normal operation and halt mode)
Hold mode: 1 µA maximum
Hold mode: 1 µA maximum
• Input low-level current (RES)
Maximum: 1 µA
Typical: 100 µA
Typical: 100 µA
• Current drain
(Operating at 4 MHz)
Typical: 10 nA, maximum: 10 µA
Larger than that for the mask versions
Larger than that for the mask versions
(Halt mode at 4 MHz)
Typical: 10 nA, maximum: 10 µA*
Typical: 10 nA, maximum: 10 µA*
(Hold mode)
Port output types at reset
The output type specified in
Open-drain outputs
Open-drain outputs
the options
Package
• DIP42S
• DIC42S window package
• DIP42S
• QFP48E
• QFC48 window package
• QFP48E
At least 10 ms
VDDmin
Location
0
Location
1
VDD
OSC
RES
Program execution (PC)
Port output type
At least 3
instruction
Oscillator
stabilization
Open drain
Option switching
period
9 instruction
cycles
Option specification


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