MSM9225B データシートの表示（PDF） - Oki Electric Industry

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MSM9225B

CAN (Controller Area Network) Controller

Oki Electric Industry 

1Semiconductor

FEDL9225B-03

MSM9225B

Symbol

Mode1, 0

Pin

29, 30

Type

Description

Microcontroller interface select pins

Mode1 Mode0

Interface

0

0 Parallel Separate No address latch signal

I

0

1 mode buses

With address latch signal

1

0

Multiplexed buses

1

1 Serial mode

INT

RESET

XT

XT

Rx0, Rx1

Tx0, Tx1

VDD

GND

Interrupt request output pin

When an interrupt request occurs, a “L” level is output. This pin

11

O automatically outputs a “H” level after 32 Ts (T = 1/fosc).

Three types of interrupts share this pin: transmission complete, reception

complete, and error.

Reset pin

25

I

System is reset when this pin is at a “L” level.

13

I Clock pins. If internal oscillator is used, connect a crystal (ceramic

resonator).

14

O If external clock is used, input clock via XT pin. The XT pin should be left

open.

18, 19

I Receive input pin. Differential amplifier included.

22, 23

O Transmission output pin

12, 20, 24, 40 — Power supply pin

6, 15, 17, 21, — GND pin

28, 39

5/16

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