ST7265X View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7265X

Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM

STMicroelectronics 

USB INTERFACE (Cont’d)

Figure 44. Overview of USB, DTC and ST7 Interconnections

BUFCSR Register (19h)

0

0

0

0

BUF STAT STAT

NUM B1 B0 CLR

USB

SIE

USB DATA

BUFFER

MANAGER

BUFFER ACCESS

ARBITRATION

DATA

TRANSFER

COPROCESSOR

(DTC)

ST7265x

DATA TRANSFER

BUFFER (1280 bytes)

1550h

USB EP0

USB EP1

USB EP2

Parameters

1650h

1850h

1A4Fh

512-byte RAM

Buffer

512-byte RAM

Buffer

DTC I/Os

(EXTERNAL

DEVICES)

69/166

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