Ordering number : ENA0382
LC875J96B
LC875J80B
LC875J72B
Overview
CMOS IC
ROM 96K/80K/72K byte, RAM 4096 byte on-chip
8-bit 1-chip Microcontroller
The SANYO LC875J96B/80B/72B are 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 96K/80K/72K byte ROM, 4096
byte RAM, 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 16-bit timer with a prescaler (may
be divided into 8-bit timers), 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, ROM correction function, and a 26-source 10-vector interrupt feature.
Features
ROM
•
98304
×
8-bits
•
81920
×
8-bits
•
73728
×
8-bits
RAM
•
4096
×
9-bits
(LC875J96B)
(LC875J80B)
(LC875J72B)
(LC875J96B/80B/72B)
Minimum Bus Cycle
•
83.3ns (12MHz) VDD=3.0 to 5.5V
•
125ns (8MHz)
VDD=2.5 to 5.5V
•
500ns (2MHz)
VDD=2.2 to 5.5V
Note: The bus cycle time here refers to the ROM read speed.
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.1.02
20707HKIM 20060222-S00016 No.0382-1/23
LC875J96B/875J80B/875J72B
Minimum Instruction Cycle Time
•
250ns (12MHz) VDD=3.0 to 5.5V
•
375ns (8MHz)
VDD=2.5 to 5.5V
•
1.5µs (2MHz)
VDD=2.2 to 5.5V
Ports
•
Normal withstand voltage I/O ports
Ports whose I/O direction can be designated in 1-bit units
Ports whose I/O direction can be designated in 4-bit units
•
Normal withstand voltage input port
•
Dedicated oscillator ports
•
Reset pins
•
Power pins
46 (P1n, P2n, P70 to P73, P80 to P86, PBn, PCn,
PWM2, PWM3, XT2)
8 (P0n)
1 (XT1)
2 (CF1, CF2)
1 (RES)
6 (VSS1 to 3, VDD1 to 3)
Timers
•
Timer 0: 16-bit timer/counter with two capture registers.
Mode 0: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers)
×
2 channels
Mode 1: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers) + 8-bit counter
(with two 8-bit capture registers)
Mode 2: 16-bit timer with an 8-bit programmable prescaler (with two 16-bit capture registers)
Mode 3: 16-bit counter (with two 16-bit capture registers)
•
Timer 1: 16-bit timer/counter that supports PWM/toggle outputs
Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs) + 8-bit timer/counter with an 8-bit prescaler
(with toggle outputs)
Mode 1: 8-bit PWM with an 8-bit prescaler
×
2 channels
Mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs)
(toggle outputs also possible from the lower-order 8-bits)
Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs) (The lower-order 8-bits can be used as PWM)
•
Timer 4: 8-bit timer with a 6-bit prescaler
•
Timer 5: 8-bit timer with a 6-bit prescaler
•
Timer 6: 8-bit timer with a 6-bit prescaler (with toggle output)
•
Timer 7: 8-bit timer with a 6-bit prescaler (with toggle output)
•
Timer 8: 16-bit timer
Mode 0: 8-bit timer with an 8-bit prescaler
×
2 channels
Mode 1: 16-bit timer with an 8-bit prescaler
* Timer 8 is not supported in this version of Emulator. Please use on-chip-debugger (only supported in flash-ROM
version) for debugging when developing software.
•
Base Timer
1) The clock is selectable from the subclock (32.768kHz crystal oscillation), system clock, and timer 0 prescaler
output.
2) Interrupts programmable in 5 different time schemes
High-speed Clock Counter
1) Can count clocks with a maximum clock rate of 20MHz (at a main clock of 10MHz).
2) Can generate output real-time.
SIO
•
SIO0: 8-bit synchronous serial interface
1) LSB first/MSB first mode selectable
2) Built-in 8-bit baudrate generator (maximum transfer clock cycle = 4/3 tCYC)
3) Automatic continuous data transmission (1 to 256 bits, specifiable in 1 bit units, suspension and resumption of
data transmission possible in 1 byte units)
•
SIO1: 8-bit asynchronous/synchronous serial interface
Mode 0: Synchronous 8-bit serial I/O (2- or 3-wire configuration, 2 to 512 tCYC transfer clocks)
Mode 1: Asynchronous serial I/O (half-duplex, 8 data bits, 1 stop bit, 8 to 2048 tCYC baudrates)
Mode 2: Bus mode 1 (start bit, 8 data bits, 2 to 512 tCYC transfer clocks)
Mode 3: Bus mode 2 (start detect, 8 data bits, stop detect)
No.0382-2/23
LC875J96B/875J80B/875J72B
UART
•
Full duplex
•
7/8/9 bit data bits selectable
•
1 stop bit (2-bit in continuous data transmission)
•
Built-in baudrate generator
AD Converter: 8-bits × 11 channels
PWM: Multifrequency 12-bit PWM × 2 channels
Remote Control Receiver Circuit (sharing pins with P73, INT3, and T0IN)
•
Noise rejection function (noise filter time constant selectable from 1 tCYC, 32 tCYC, and 128 tCYC)
Watchdog Timer
•
External RC watchdog timer
•
Interrupt and reset signals selectable
Clock Output Function
1) Able to output selected oscillation clock 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 as system clock.
2) Able to output oscillation clock of sub clock.
Interrupts
•
26 sources, 10 vector addresses
1) Provides three levels (low (L), high (H), and highest (X)) of multiplex interrupt control. Any interrupt requests of
the level equal to or lower than the current interrupt are not accepted.
2) When interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level
takes precedence over the other interrupts. For interrupts of the same level, the interrupt into the smallest vector
address takes precedence.
No.
1
2
3
4
5
6
7
8
9
10
Vector Address
00003H
0000BH
00013H
0001BH
00023H
0002BH
00033H
0003BH
00043H
0004BH
Level
X or L
X or L
H or L
H or L
H or L
H or L
H or L
H or L
H or L
H or L
INT0
INT1
INT2/T0L/INT4
INT3/INT5/base timer
T0H/INT6
T1L/T1H/INT7
SIO0/UART1 receive/T8L/T8H
SIO1/UART1 transmit
ADC/T6/T7
Port 0/T4/T5/PWM2, PWM3
Interrupt Source
•
Priority levels X > H > L
•
Of interrupts of the same level, the one with the smallest vector address takes precedence.
•
IFLG (list of interrupt source flag function)
3) Shows a list of interrupt source flags that caused a branching to a particular vector address (shown in the
diagram above).
Subroutine Stack Levels: 2048 levels (the stack is allocated in RAM)
High-speed Multiplication/Division Instructions
•
16-bits
×
8-bits
(5 tCYC execution time)
•
24-bits
×
16-bits (12 tCYC execution time)
•
16-bits
÷
8-bits
(8 tCYC execution time)
•
24-bits
÷
16-bits (12 tCYC execution time)
No.0382-3/23
LC875J96B/875J80B/875J72B
Oscillation Circuits
•
RC oscillation circuit (internal):
•
CF oscillation circuit:
•
Crystal oscillation circuit:
•
Frequency variable RC oscillation circuit (internal):
For system clock
For system clock, with internal Rf
For low-speed system clock, with internal Rf
For system clock
System Clock Divider Function
•
Can run on low current.
•
The minimum instruction cycle selectable from 300ns, 600ns, 1.2µs, 2.4µs, 4.8µs, 9.6µs, 19.2µs, 38.4µs,
and 76.8µs (at a main clock rate of 10MHz).
Standby Function
•
HALT mode: Halts instruction execution while allowing the peripheral circuits to continue 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, and crystal 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.
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 four 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
ROM Correction Function
•
Executes the correction program on detection of a match with the program counter value.
•
Correction program area size: 128 bytes
Package Form
•
QIP64E (14
×
14): Lead-free type
•
TQFP64J (10
×
10): Lead-free type
Development Tools
•
Evaluation chip:
•
Emulator:
LC87EV690
EVA62S + ECB876600D + SUB875800 + POD64QFP or POD64SQFP
ICE-B877300 + SUB875800 + POD64QFP or POD64SQFP
•
On-chip debugger: TCB87-TypeA or TCB87-TypeB + LC87F5JC8A
No.0382-4/23
LC875J96B/875J80B/875J72B
Package Dimensions
unit : mm (typ)
3159A
17.2
14.0
48
49
33
32
Package Dimensions
unit : mm (typ)
3310
12.0
0.8
48
49
33
32
10.0
14.0
17.2
64
17
1
0.5
16
0.18
64
1
0.8
(1.0)
0.35
16
17
(1.25)
12.0
0.125
0.15
1.2 MAX
(2.7)
3.0max
0.1
(1.0)
SANYO : TQFP64J(10X10)
0.1
SANYO : QIP64E(14X14)
No.0382-5/23
0.5
10.0
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