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PDF LC87F2832A Data sheet ( Hoja de datos )
| Número de pieza | LC87F2832A | |
| Descripción | 8-bit 1-chip Microcontroller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA0478A
LC87F2832A
CMOS IC
FROM 32K byte, RAM 1024 byte on-chip
8-bit 1-chip Microcontroller
Overview
The SANYO LC87F2832A 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 32K-byte flash ROM (onboard
programmable), 1024-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 (with
automatic block transmission/reception capabilities), an asynchronous/synchronous SIO interface, a UART interface (full
duplex), an 8-bit 11-channel AD converter, two 12-bit PWM channels, a system clock frequency divider, frequency
variable RC oscillation circuit , and a 25-source 10-vector interrupt feature.
Features
Flash ROM
• Capable of on-board-programing with wide range, 3.0 to 5.5V, of voltage source.
• Block-erasable in 128-byte units
• Writable in 2-byte units
• 32768 × 8 bits (LC87F2832A)
RAM
• 1024 × 9 bits (LC87F2832A)
Minimum Bus Cycle
• 83.3ns (12MHz)
VDD=3.0 to 5.5V
• 125ns (8MHz)
VDD=2.5 to 5.5V
• 250ns (4MHz)
VDD=2.2 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 (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). 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 applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us 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.1.01
N1809HKIM 20091022-S00003 No.A0478-1/27
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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Package Dimension
unit : mm (typ)
3289
9.0
7.0
48 33
49 32
LC87F2832A
64
1
(0.5)
0.4
17
16
0.16
0.125
SANYO : TQFP64J(7X7)
Package Dimensions
unit : mm (typ)
3326
TOP VIEW
6.0 0.3
BOTTOM VIEW
0.5
SIDE VIEW
L K J H G F ED C BA
0.3 0.5
(0.45)
0.4
SANYO : FLGA68K(6.0X6.0)
No.A0478-5/27
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LC87F2832A
Pin Description
Pin Name
VSS1
VSS2
VSS3
VDD1
VDD2
VDD3
Port 0
I/O
-
-
I/O
P00 to P07
Port 1
P10 to P17
I/O
Port 2
P20 to P27
I/O
-power supply pin
Description
+power supply pin
• 8-bit I/O port
• I/O specifiable in 4-bit units
• Pull-up resistors can be turned on and off in 4-bit units.
• HOLD reset input
• Port 0 interrupt input
• Shared pins
P05: Clock output (system clock/can selected from sub clock)
P06: Timer 6 toggle output
P07: Timer 7 toggle output
• 8-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• Shared pins
P10: SIO0 data output
P11: SIO0 data input/bus I/O
P12: SIO0 clock I/O
P13: SIO1 data output
P14: SIO1 data input/bus I/O
P15: SIO1 clock I/O
P16: Timer 1PWML output
P17: Timer 1PWMH output/beeper output
• 8-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• Shared pins
P20: UART transmit
P21: UART receive
P26: INT6 input/timer 0L capture 1 input
P27: INT7 input/timer 0H capture 1 input
P20 to P23: INT4 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input
P24 to P27: INT5 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input
Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
L level
INT4
enable
enable
enable
disable
disable
INT5
enable
enable
enable
disable
disable
INT6
enable
enable
enable
disable
disable
INT7
enable
enable
enable
disable
disable
Port 3
P30 to P33
I/O • 4-bit I/O port
(these ports are available in FLGA68K(6.0×6.0) package only.)
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
Option
No
No
Yes
Yes
Yes
Yes
Continued on next page.
No.A0478-11/27
Datasheet pdf - http://www.DataSheet4U.net/
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