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PDF LC87F2J32A Data sheet ( Hoja de datos )

Número de pieza LC87F2J32A
Descripción 8-bit 1-chip Microcontroller
Fabricantes ON Semiconductor 
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Ordering number : ENA1384B
LC87F2J32A
CMOS IC
FROM 32K byte, RAM 1024 byte on-chip
8-bit 1-chip Microcontroller
http://onsemi.com
Overview
The LC87F2J32A is an 8-bit microcomputer that, integrates on a single chip a number of hardware features such as
32K-byte flash ROM, 1024-byte RAM, an On-chip-debugger, a 16-bit timer/counter, four 8-bit timers, 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, two 12-bit PWM channels, a 12/8-bit 14-channel AD
converter, a system clock frequency divider, remote control receive, an internal reset and an interrupt feature.
Features
Flash ROM
32768 × 8 bits
Capable of on-board-programming
with wide range (2.2 to 5.5V) of voltage source.
Block-erasable in 128-byte units
Writable in 2-byte units
RAM
1024 × 9 bits
Package Form
QIP48E (14×14): Lead-free type
SQFP48 (7×7): Lead-/Halogen-free type
Package Dimensions
unit : mm (typ)
3156A
17.2
14.0
36 25
37 24
48 13
1
(1.5)
1.0
12
0.35
0.15
SANYO : QIP48E(14X14)
* This product is licensed from Silicon Storage Technology, Inc. (USA).
Semiconductor Components Industries, LLC, 2013
May, 2013
Ver.1.20
D1212HK/42209HKIM 20090406-S00001 No.A1384-1/30

1 page




LC87F2J32A pdf
LC87F2J32A
Internal Reset Function
Power-on reset (POR) function
1) POR reset is generated only at power-on time.
2) The POR release level can be selected from 8 levels (1.67V, 1.97V, 2.07V, 2.37V, 2.57V, 2.87V, 3.86V, and
4.35V) through option configuration.
Low-voltage detection reset (LVD) function
1) LVD and POR functions are combined to generate resets when power is turned on and when power voltage falls
below a certain level.
2) The use/disuse of the LVD function and the low voltage threshold level (7 levels: 1.91V, 2.01V, 2.31V, 2.51V,
2.81V, 3.79V, 4.28V).
Standby Function
HALT mode: Halts instruction execution while allowing the peripheral circuits to continue operation.
1) Oscillation is not halted automatically.
2) There are three ways of resetting the HALT mode.
(1) Setting the reset pin to the low level
(2) System resetting by watchdog timer or low-voltage detection
(3) Occurrence of an interrupt
HOLD mode: Suspends instruction execution and the operation of the peripheral circuits.
1) The CF, RC, and crystal oscillators automatically stop operation.
2) There are four ways of resetting the HOLD mode.
(1) Setting the reset pin to the low level.
(2) System resetting by watchdog timer or low-voltage detection
(3) Having an interrupt source established at either INT0, INT1, INT2, INT4, or INT5
* INT0 and INT1 HOLD mode reset is available only when level detection is set.
(4) 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.
1) The CF and 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 six ways of resetting the X'tal HOLD mode.
(1) Setting the reset pin to the low level
(2) System resetting by watchdog timer or low-voltage detection
(3) Having an interrupt source established at either INT0, INT1, INT2, INT4, or INT5
* INT0 and INT1 HOLD mode reset is available only when level detection is set.
(4) Having an interrupt source established at port 0
(5) Having an interrupt source established in the base timer circuit
(6) Having an interrupt source established in the infrared remote controller receiver circuit
On-chip Debugger
Supports software debugging with the IC mounted on the target board (LC87D2J32A).
LC87F2J32A has an On-chip debugger but its function is limited.
Data Security Function (flash versions only)
Protects the program data stored in flash memory from unauthorized read or copy.
Note: This data security function does not necessarily provide absolute data security.
No.A1384-5/30

5 Page





LC87F2J32A arduino
LC87F2J32A
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
1 bit 1 CMOS
Programmable (Note 1)
2 Nch-open drain
Programmable (Note 1)
P10 to P17
1 bit 1 CMOS
Programmable
2 Nch-open drain
Programmable
P20 to P27
1 bit 1 CMOS
Programmable
2 Nch-open drain
Programmable
P30 to P36
1 bit 1 CMOS
Programmable
2 Nch-open drain
Programmable
P70 - No Nch-open drain
Programmable
P71 to P73
- No CMOS
Programmable
PWM0, PWM1
-
No CMOS
No
XT1
-
No Input for 32.768kHz crystal oscillator
No
(Input only)
XT2
-
No
Output for 32.768kHz crystal oscillator
No
(Nch-open drain when in general-purpose
output mode)
CF1
-
No Input for ceramic resonator oscillator
No
(Input only)
CF2
-
No
Output for ceramic resonator oscillator
No
(Nch-open drain when in general-purpose
output mode)
Note 1: The control of the presence or absence of the programmable pull-up resistors for port 0 and the switching
between low- and high-impedance pull-up connection is exercised in 1-bit units.
No.A1384-11/30

11 Page







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