MB9B520M datasheet(5/113 Pages) SPANSION

5 / 113 page

D a t a S h e e t

MB9B520M_DS706-00048-3v0-E, March 18, 2015

CONFIDENTIAL

 Features

 32-bit ARM Cortex-M3 Core

 Processor version: r2p1

 Up to 72 MHz Frequency Operation

 Integrated Nested Vectored Interrupt Controller (NVIC): 1 NMI (non-maskable interrupt) and

48 peripheral interrupts and 16 priority levels

 24-bit System timer (Sys Tick): System timer for OS task management

 On-chip Memories

[Flash memory]

 Dual operation Flash memory

 Dual Operation Flash memory has the upper bank and the lower bank.

So, this series could implement erase, write and read operations

for each bank simultaneously.

 Main area: Up to 256 Kbytes (Up to 240 Kbytes upper bank + 16 Kbytes lower bank)

 Work area: 32 Kbytes (lower bank)

 Read cycle: 0 wait-cycle

 Security function for code protection

[SRAM]

This Series on-chip SRAM is composed of two independent SRAM (SRAM0, SRAM1). SRAM0 is

connected to I-code bus and D-code bus of Cortex-M3 core. SRAM1 is connected to System bus.

 SRAM0: Up to 16 Kbytes

 SRAM1: Up to 16 Kbytes

 USB Interface

The USB interface is composed of Function and Host.

PLL for USB is built-in, USB clock can be generated by multiplication of Main clock.

[USB function]

 USB2.0 Full-Speed supported

 Max 6 EndPoint supported

 EndPoint 0 is control transfer

 EndPoint 1, 2 can select Bulk-transfer, Interrupt-transfer or Isochronous-transfer

 EndPoint 3 to 5 can select Bulk-transfer or Interrupt-transfer

 EndPoint 1 to 5 are comprised of Double Buffers.

 The size of each endpoint is according to the follows.

- Endpoint 0, 2 to 5 : 64 bytes

- Endpoint 1 : 256 bytes

[USB host]

 USB2.0 Full/Low-speed supported

 Bulk-transfer, interrupt-transfer and Isochronous-transfer support

 USB Device connected/dis-connected automatic detection

 Automatic processing of the IN/OUT token handshake packet

 Max 256-byte packet-length supported

 Wake-up function supported

 CAN Interface

 Compatible with CAN Specification 2.0A/B

 Maximum transfer rate: 1 Mbps

 Built-in 32 message buffer

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