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PDF LC87F2W48A Data sheet ( Hoja de datos )
| Número de pieza | LC87F2W48A | |
| Descripción | 8-bit 1-chip Microcontroller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA1869A
LC87F2W48A
CMOS IC
50K-byte FROM and 1536-byte RAM integrated
8-bit 1-chip Microcontroller
Overview
The SANYO LC87F2W48A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle
time of 83.3ns, integrates on a single chip a number of hardware features such as 50K-byte flash ROM (On-board-
programmable), 1536-byte RAM, an On-chip-debugger, sophisticated 16-bit timers/counters (may be divided into 8-bit
timers), a 16-bit timer/counter (may be divided into 8-bit timers/counters or 8-bit PWMs), four 8-bit timers with a
prescaler, a base timer serving as a time-of-day clock, a high-speed clock counter, a synchronous SIO interface, an
asynchronous/synchronous SIO interface, a UART interface (full duplex), two 12-bit PWM channels, a 14-channel AD
converter with 12-/8-bit resolution selector, a system clock frequency divider, an infrared remote controller receiver
circuit, and a 24-source 10-vector interrupt feature.
Features
Flash ROM
• Capable of on-board-programming with wide range, 2.7 to 5.5V, of voltage source.
• Block-erasable in 128 byte units
• Writable in 2-byte units
• 51200 × 8 bits
RAM
• 1536 × 9 bits
Minimum Bus Cycle
• 83.3ns (12MHz) VDD=2.7V to 5.5V
Note: The bus cycle time here refers to the ROM read speed.
* This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by
SANYO Semiconductor Co., Ltd.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
Ver.1.00a
83111HKIM 20101027-S00001 No.A1869-1/26
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Package Form
• SQFP48 (7×7) (Lead-/Halogen-free type)
LC87F2W48A
Development Tools
• On-chip-debugger: TCB87-TypeC (1 wire version) + LC87F2W48A
Flash ROM Programming Boards
Package
Programming boards
SQFP48 (7×7)
W87F55256SQ
Package Dimensions
unit : mm (typ)
3163B
9.0
7.0
36 25
37 24
48
1
(0.75)
0.5
13
12
0.18
0.15
SANYO : SQFP48(7X7)
No.A1869-5/26
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
User Option Table
Option name
Port output type
Option to be Applied on
P00 to P07
P10 to P17
P20 to P27
P31 to P36
Program start
address
-
LC87F2W48A
Flash-ROM Version
{
{
{
{
{
Option Selected in Units of
1 bit
1 bit
1 bit
1 bit
-
Option selection
CMOS
Nch-open drain
CMOS
Nch-open drain
CMOS
Nch-open drain
CMOS
Nch-open drain
00000h
0FE00h
Note: To reduce VDD1 signal noise and to increase the duration of the backup battery supply, VSS1, VSS2, and VSS3
should connect to each other and they should also be grounded.
Example 1: During backup in hold mode, port output ‘H’ level is supplied from the back-up capacitor.
Power
Supply
Back-up
capacitor
LSI
VDD1
VDD2
VDD3
VSS1 VSS2 VSS3
Example 2: During backup in hold mode, output is not held high and its value in unsettled.
Power
Supply
Back-up
capacitor
LSI
VDD1
VDD2
VDD3
VSS1 VSS2 VSS3
No.A1869-11/26
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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| PDF Descargar | [ Datasheet LC87F2W48A.PDF ] | |
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