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PDF LC87F7LC8A Data sheet ( Hoja de datos )
| Número de pieza | LC87F7LC8A | |
| Descripción | 8-bit 1-chip Microcontroller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA0835
LC87F7LC8A
CMOS IC
FROM 128K byte, RAM 4096 byte on-chip
8-bit 1-chip Microcontroller
Overview
The SANYO LC87F7LC8A 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 128K-byte flash ROM (onboard
programmable), 4096-byte RAM, an on-chip debugger, a LCD controller/driver, sophisticated 16-bit timer/counter
(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 16-bit timer with a prescaler (may be divided into 8-bit timers), a base timer serving
as a time-of-day clock, a day and time counter, a synchronous SIO interface (with automatic block transmission/
reception capabilities), an asynchronous/synchronous SIO interface, a UART interface (full duplex), an 8-bit 15-channel
AD converter, two 12-bit PWM channels, a high-speed clock counter, a system clock frequency divider, a small signal
detector, ROM correction function, remote control receive function, and a 28-source 10-vector interrupt feature.
Features
Flash ROM
• Capable of on-board-programming with wide range, 3.0 to 5.5V, of voltage source
• Block-erasable in 128byte units
• 131072 × 8 bits (LC87F7LC8A)
RAM
• 4096 × 9 bits (LC87F7LC8A)
Minimum Bus Cycle Time
• 83.3ns (12MHz)
• 125ns (8MHz)
• 250ns (4MHz)
VDD=3.0 to 5.5V
VDD=2.5 to 3.0V
VDD=2.2 to 2.5V
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.0.92
82907HKIM 20070330-S00001 No.A0835-1/25
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LC87F7LC8A
Standby Function
• HALT mode: Halts instruction execution while allowing the peripheral circuits to continue operation.
(Some parts of the serial transfer function stops operation.)
1) Oscillation is not halted automatically.
2) Canceled by a system reset or occurrence of an interrupt
• HOLD mode: Suspends instruction execution and the operation of the peripheral circuits.
1) The CF, RC, X’tal, and frequency variable RC oscillators automatically stop operation.
2) There are three ways of resetting the HOLD mode.
(1) Setting the reset pin to the low level
(2) Setting at least one of the INT0, INT1, INT2, INT4, and INT5 pins to the specified level
(3) Having an interrupt source established at port 0
• X'tal HOLD mode: Suspends instruction execution and the operation of the peripheral circuits except the base timer
and the remote control receiver circuit.
1) The CF, RC, and frequency variable RC oscillators automatically stop operation.
2) The state of crystal oscillation established when the X'tal HOLD mode is entered is retained.
3) There are five ways of resetting the X'tal HOLD mode.
(1) Setting the reset pin to the low level
(2) Setting at least one of the INT0, INT1, INT2, INT4, and INT5 pins to the specified level
(3) Having an interrupt source established at port 0
(4) Having an interrupt source established in the base timer circuit
(5) Having an interrupt source established in the remote control receiver circuit
ROM Correction Function
• Executes the correction program on detection of a match with the program counter value.
• Correction program area size: 128 bytes
On-chip Debugger
• Supports software debugging with the IC mounted on the target board.
Package Form
• QIP100E(14×20):
• ΤQFP100(14×14):
Lead-free type
Lead-free type
Development Tools
• On-chip Debugger: TCB87-TypeA or TCB87-TypeB + LC87F7LC8A
Flash ROM Programming boards
Package
Programming Boards
QIP100E(14×20)
W87FQ100
TQFP100(14×14)
W87FSQ100
Flash ROM Programmer
Maker
Flash Support Group, Inc.
(Single)
Flash Support Group, Inc.
(Gang)
Model
AF9708/AF9709/AF9709B
(including product of
Ando Electric Co., Ltd.)
AF9723 (Main body)
(including product of
Ando Electric Co., Ltd.)
AF9833 (Unit)
(including product of
Ando Electric Co., Ltd.)
SANYO
SKK (SANYO FWS)
Note: Please check the latest version.
Supported version (Note)
After 02.54
After 02.03D
After 01.82G
Application Version
1.03
Chip Data Version
2.05
Device
LC87F75C8A
LC87F5JC8A
LC87F7LC8A
No.A0835-5/25
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LC87F7LC8A
Port Output Types
The table below lists the types of port outputs and the presence/absence of a pull-up resistor.
Data can be read into any input port even if it is in the output mode
Port Name
Option Selected
in Units of
Option Type
Output Type
Pull-up Resistor
P00 to P07
each bit
1 CMOS
Programmable (Note)
2 Nch-open drain
No
P10 to P17
each bit
1 CMOS
Programmable
2 Nch-open drain
Programmable
P30 to P35
each bit
1 CMOS
Programmable
2 Nch-open drain
Programmable
P70 - No Nch-open drain
Programmable
P71 to P73
- No CMOS
Programmable
P80 to P87
- No Nch-open drain
No
S0/PA0 to S47/PF7
-
No CMOS
Programmable
COM0/PL0 to
COM3/PL3
-
No
Input only
No
V1/PL4 to V3/PL6
-
No Input only
No
XT1 - No Input for 32.768kHz crystal
No
oscillator (Input only)
XT2 - No Output for 32.768kHz crystal oscillator
(Nch-open drain when in general-purpose
No
output mode)
Note 1: Programmable pull-up resistors for port 0 are controlled in 4 bit units (P00 to 03, P04 to 07).
*1: Connect the IC as shown below to minimize the noise input to the VDD1 pin.
Be sure to electrically short the VSS1, VSS2, and VSS3 pins.
Power
supply
For backup *2
LSI
VDD1
VDD2
VDD3
VSS1 VSS2 VSS3
*2: The internal memory is sustained by VDD1. If none of VDD2 and VDD3 are backed up, the high level output at
the ports are unstable in the HOLD backup mode, allowing through current to flow into the input buffer and thus
shortening the backup time.
Make sure that the port outputs are held at the low level in the HOLD backup mode.
No.A0835-11/25
Datasheet pdf - http://www.DataSheet4U.net/
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