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GENERAL DESCRIPTION

The MSM63P180 is an M6318x series one-time-programmable ROM version product of OLMS-63K family, which employs Okis original CPU core nX-4/250.

The MSM63P180 has one-time PROM as internal program memory.

The MSM63188 and other mask ROM-version products have mask ROM as internal program memory.

The specifications of the MSM63P180 are equal to those of the MSM63188 except for electrical characteristics, packaging, and some functions.

The MSM63P180 is used for evaluating the software development of M6318x series products.

FEATURES

? Rich instruction set

439 instructions

Transfer, rotate, increment/decrement, arithmetic operations, comparison, logic operations,

mask operations, bit operations, ROM table reference, external memory transfer, stack

operations, flag operations, branch, conditional branch, call/return, control.

? Rich selection of addressing modes

Indirect addressing of four data memory types, with current bank register, extra bank

register, HL register and XY register.

Data memory bank internal direct addressing mode.

? Processing speed

Two clocks per machine cycle, with most instructions executed in one machine cycle.

Minimum instruction execution time : 61 ms (@ 32.768 kHz system clock)

1 ms (@ 2 MHz system clock)

? Clock generation circuit

Low-speed clock : 32.768 kHz crystal oscillator

High-speed clock : 2 MHz (Max.) RC or ceramic oscillator select

? Program memory space

16K words (PROM) Basic instruction length is 16 bits/1 word

? Data memory space 3584 nibbles

? External data memory space 64 Kbytes (expandable by using an I/O port)

? Stack level

Call stack level : 16 levels

Register stack level : 16 levels

? I/O ports

Input ports: Selectable as input with pull-up resistance/input with pull-down resistance/

high-impedance input

Output ports: Selectable as P-channel open drain output/N-channel open drain output/

CMOS output

Input-output ports: Selectable as input with pull-up resistance/input with pull-down

resistance/high-impedance input

Selectable as P-channel open drain output/N-channel open drain

output/CMOS output

Can be interfaced with external peripherals that use a different power supply than this device uses.

Number of ports:

Input port : 2 ports x 4 bits

Output port : 6 ports x 4 bits

Input-output port : 8 ports x 4 bits

? Buzzer function

Buzzer output : 0.946 to 5.461 kHz (adjustable in 15 steps)

Buzzer output modes : Intermittent sound 1, 2; simple sound; continuous sound

? Melody output function

Melody sound frequency : 529 to 2979 Hz

Tone length : 63 types

Tempo : 15 types

Note data : Resides in the program memory

? LCD driver

Number of segments : 1024 Max. (64 SEG · 16 COM)

1/1 to 1/16 duty

1/4 or 1/5 bias (regulator built-in)

Selectable as all-on mode/all-off mode/power down mode/normal display mode

Adjustable contrast

? Multiplier/divider circuits

Multiplier : (8 bits) · (8 bits) fi Product (16 bits)

Divider : (16 bits) ÷ (8 bits) fi Quotient (16 bits), Remainder (8 bits)

? Reset function

Reset through RESET pin

Power-on reset

Reset by low-speed oscillation halt

? Battery check

Low-voltage supply check

Criterion voltage : Selectable as 2.2 V or 2.8 V

? Power supply backup

Backup circuit (voltage multiplier) enables operation at 1.45 V minimum

? Timers and counter

8-bit timer x 4

Selectable as auto-reload mode/capture mode/clock frequency measurement mode

Watchdog timer x 1

Overflows in 2 sec.

100 Hz timer x 1

Measurable in steps of 1/100 sec.

15-bit time base counter x 1

1, 2, 4, 8, 16, 32, 64, and 128 Hz signals can be read

? Time base capture function

Captures the time base counter output values (32, 64, 128, and 256 Hz) upon the rise (fall) of

P1.0 and P1.1

? Serial port

Mode : UART mode, synchronous mode

UART communication speed : 1200 bps, 2400 bps, 4800 bps, 9600 bps

Clock frequency in synchronous mode : 32.768 kHz (internal clock mode), external

clock frequency

Data length : 5 to 8 bits

? Shift register

Shift clock : 1x or 1/2x system clock, timer 1 overflow,

external clock

Data length : 8 bits

? Interrupt sources

External interrupt : 6

Internal interrupt : 14 (watchdog timer interrupt is a nonmask

able interrupt)

? Operating voltage

When backup used : VDD = 1.45 to 2.7 V

When backup not used : VDD = 2.7 to 5.5 V

? Package:

176-pin plastic LQFP (LQFP176-P-2424-0.50-BK)

Product name :

MSM63P180-xxxGS-BK (written PROM)

MSM63P180-NGS-BK (blanked PROM)

xxx indicates a code number.