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PDF LC87F7J32A Data sheet ( Hoja de datos )
| Número de pieza | LC87F7J32A | |
| Descripción | 8-bit 1-chip Microcontroller | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number : ENA0886
LC87F7J32A
CMOS IC
FROM 32K byte, RAM 1024 byte on-chip
8-bit 1-chip Microcontroller
Overview
The SANYO LC87F7J32A 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, 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), two 12-bit PWM channels,
a 12-bit/8-bit 10-channel AD converter, remote control receive function, a high-speed clock counter, a system clock
frequency divider, an internal reset and a 25-source 10-vector interrupt feature.
Features
Flash ROM
• Capable of on-board-programming with wide range, 3.0 to 5.5V,of voltage souce
• Block-erasable in 128-byte units
• 32768 × 8 bits
RAM
• 1024 × 9 bits
Minimum Bus Cycle Time
• 83.3ns (12MHz)
• 125ns (8MHz)
• 250ns (4MHz)
VDD=3.0 to 5.5V
VDD=2.5 to 5.5V
VDD=2.2 to 5.5V
Note: The bus cycle time here refers to the ROM read speed.
Minimum Instruction Cycle Time (tCYC)
• 250ns (12MHz)
• 375ns (8MHz)
• 750ns (4MHz)
VDD=3.0 to 5.5V
VDD=2.5 to 5.5V
VDD=2.2 to 5.5V
* This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by
SANYO Semiconductor Co., Ltd.
Ver1.00
O1707HKIM 20071009-S00002 No.A0886-1/29
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LC87F7J32A
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 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 infrared remote control receiver circuit
On-chip Debugger
• Supports software debugging with the IC mounted on the target board.
Package Form
• QIP64E(14×14): Lead-free type
• TQFP64J(10×10): Lead-free type
Development Tools
• On-chip debugger: TCB87-TypeB + LC87F7J32A
Flash ROM Programming Board
Package
Programming boards
QIP64E(14×14)
W87F50256Q
TQFP64J(10×10)
W87F57256SQ
Flash ROM Programmer
Maker
Model
Flash Support Group, Inc.
(Formerly Ando Electric Co., Ltd.)
Single
Gang
AF9708/AF9709/
AF9709B
AF9723 (Main body)
AF9833 (Unit)
SANYO
SKK (SANYO FWS)
Note: Please check the latest version.
Supported Version (Note)
After 0x.xx
After 0x.xx
After 0x.xx
After x.xxA
Device
LC87F7J32A
Same Package and Pin Assignment as Mask ROM Version.
1) LC877J00 series options can be set by using flash ROM data. Thus the board used for mass production can
be used for debugging and evaluation without modifications.
2) If the program for the mask ROM version is used, the usable ROM/RAM capacity is the same as
the mask ROM version.
No.A0886-5/29
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LC87F7J32A
Continued from preceding page.
Pin Name
I/O
Description
S0/PA0 to
S7/PA7
S8/PB0 to
S15/PB7
S16/PC0 to
S23/PC7
COM0/PL0 to
COM3/PL3
V1/PL4 to
V3/PL7
RES
I/O
I/O
I/O
I/O
I/O
Input
• Segment output for LCD
• Can be used as general-purpose I/O port (PA)
• Segment output for LCD
• Can be used as general-purpose I/O port (PB)
• Segment output for LCD
• Can be used as general-purpose I/O port (PC)
• Common output for LCD
• Can be used as general-purpose input port (PL)
• LCD output bias power supply
• Can be used as general-purpose input port (PL)
• Shared pins
AD converter input ports: AN0 (V1) to AN2 (V3)
On-chip debugger pins: DBGP0 (V1) to DBGP2 (V3)
Reset pin
XT1 Input • 32.768kHz crystal oscillator input pin
• Shared pins
General-purpose input port
AD converter input port: AN10
Must be connected to VDD1 if not to be used.
XT2 I/O • 32.768kHz crystal oscillator output pin
• Shared pins
General-purpose I/O port
AD converter input port: AN11
Must be set for oscillation and kept open if not to be used.
CF1 Input Ceramic resonator input pin
CF2 Output Ceramic resonator output pin
Option
No
No
No
No
No
No
No
No
No
No
No.A0886-11/29
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