MB9B320M datasheet(2/108 Pages) CYPRESS

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Document Number: 002-05652 Rev. *D

Page 2 of 108

MB9B320M Series

[UART]

Full duplex double buffer

Selection with or without parity supported

Built-in dedicated baud rate generator

External clock available as a serial clock

Hardware Flow control : Automatically control the

transmission/reception by CTS/RTS (only ch.4)

Various error detection functions available (parity errors,

framing errors, and overrun errors)

[CSIO]

Full duplex double buffer

Built-in dedicated baud rate generator

Overrun error detection function available

[LIN]

LIN protocol Rev.2.1 supported

Full duplex double buffer

Master/Slave mode supported

LIN break field generation (can be changed to 13 to 16-bit

length)

LIN break delimiter generation (can be changed to 1 to 4-bit

length)

Various error detection functions available (parity errors,

framing errors, and overrun errors)

[I2C]

Standard mode (Max 100 kbps) / Fast mode (Max 400 kbps)

supported

DMA Controller (Eight channels)

The DMA Controller has an independent bus from the CPU, so

CPU and DMA Controller can process simultaneously.

8 independently configured and operated channels

Transfer can be started by software or request from the

built-in peripherals

Transfer address area: 32-bit (4 Gbytes)

Transfer mode: Block transfer/Burst transfer/Demand

transfer

Transfer data type: byte/half-word/word

Transfer block count: 1 to 16

Number of transfers: 1 to 65536

A/D Converter (Max 26 channels)

[12-bit A/D Converter]

Successive Approximation type

Built-in 2units

Conversion time: 0.8 μs @ 5 V

Priority conversion available (priority at 2 levels)

Scanning conversion mode

Built-in FIFO for conversion data storage (for SCAN

conversion: 16 steps, for Priority conversion:

4 steps)

D/A Converter (Max two channels)

R-2R type

10-bit resolution

Base Timer (Max eight channels)

Operation mode is selectable from the followings for each

channel.

16-bit PWM timer

16-bit PPG timer

16-/32-bit reload timer

16-/32-bit PWC timer

General-Purpose I/O Port

This series can use its pins as general-purpose I/O ports when

they are not used for peripherals. Moreover, the port relocate

function is built in. It can set which I/O port the peripheral

function can be allocated to.

Capable of pull-up control per pin

Capable of reading pin level directly

Built-in the port relocate function

Up to 65 high-speed general-purpose I/O Ports @ 80 pin

Package

Some ports are 5V tolerant.

See “List of Pin Functions” and “I/O Circuit Type” to confirm

the corresponding pins.

Dual Timer (32-/16-bit Down Counter)

The Dual Timer consists of two programmable 32-/16-bit down

counters.

Operation mode is selectable from the followings for each

channel.

Free-running

Periodic (=Reload)

One-shot

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