MB90387 datasheet(5/82 Pages) CYPRESS

5 / 82 page

Document Number: 002-07765 Rev. *A

Page 4 of 81

MB90387/387S/F387/F387S

MB90V495G

1. Product Lineup

Part Number

MB90F387

MB90F387S

MB90387

MB90387S

MB90V495G

Parameter

Classification

Flash ROM

Mask ROM

Evaluation product

ROM capacity

64 Kbytes



RAM capacity

2 Kbytes

6 Kbytes

Process

CMOS

Package

LQFP-48 (pin pitch 0.50 mm)

PGA-256

Operating power supply voltage

3.5 V to 5.5 V

4.5 V to 5.5 V

Special power supply for

emulator*1



None

CPU functions

Number of basic instructions

Instruction bit length

Instruction length

Data bit length

: 351 instructions

: 8 bits and 16 bits

: 1 byte to 7 bytes

: 1 bit, 8 bits, 16 bits

Minimum instruction execution time: 62.5 ns (at 16 MHz machine clock)

Interrupt processing time: 1.5

s at minimum (at 16 MHz machine clock)

Low power consumption

(standby) mode

Sleep mode / Watch mode / Time-base timer mode / Stop mode / CPU intermittent

I/O port

General-purpose input/output ports (CMOS output): 34 ports (36 ports*2)

including 4 high-current output ports (P14 to P17)

Time-base timer

18-bit free-run counter

Interrupt cycle: 1.024 ms, 4.096 ms, 16.834 ms, 131.072 ms

(with oscillation clock frequency at 4 MHz)

Watchdog timer

Reset generation cycle: 3.58 ms, 14.33 ms, 57.23 ms, 458.75 ms

(with oscillation clock frequency at 4 MHz)

16-bit input/

output timer

16-bit free-run

timer

Number of channels: 1

Interrupt upon occurrence of overflow

Input capture

Number of channels: 4

Retaining free-run timer value set by pin input (rising edge, falling edge, and both edges)

16-bit reload timer

Number of channels: 2

16-bit reload timer operation

Count clock cycle: 0.25

s, 0.5 s, 2.0 s

(at 16-MHz machine clock frequency)

External event count is allowed.

Watch timer

15-bit free-run counter

Interrupt cycle: 31.25 ms, 62.5 ms, 12 ms, 250 ms, 500 ms, 1.0 s, 2.0 s

(with 8.192 kHz sub clock)

8/16-bit PPG timer

Number of channels: 2 (four 8-bit channels are available also.)

PPG operation is allowed with four 8-bit channels or two 16-bit channels.

Outputting pulse wave of arbitrary cycle or arbitrary duty is allowed.

Count clock: 62.5 ns to 1

s

(with 16 MHz machine clock)

Delay interrupt generator module

Interrupt generator module for task switching. Used for realtime OS.

DTP/External interrupt

Number of inputs: 4

Activated by rising edge, falling edge, “H” level or “L” level input.

External interrupt or expanded intelligent I/O service (EI2OS) is available.

MB90387 Datasheet(PDF) 5 Page - Cypress Semiconductor

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