ST7PSCR1E4M1/XXX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7PSCR1E4M1/XXX

8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER

STMicroelectronics 

ST7SCR

USB INTERFACE (Cont’d)

USB Endpoint RAM Buffers

There are seven Endpoints including one bidirec-

tional control Endpoint (Endpoint 0), five IN End-

points (Endpoint 1, 2, 3, 4, 5) and one OUT end-

point (Endpoint 2).

Figure 28. Endpoint Buffer Size

Endpoint 0 is 2 x 8 bytes in size, Endpoint 1, 3, 4,

and Endpoint 5 are 8 bytes in size and Endpoint 2

is 2 x 64 bytes in size .

Endpoint 0 Buffer OUT

Endpoint 0 Buffer IN

Endpoint 1 Buffer IN

8 Bytes

8 Bytes

8 Bytes

Endpoint 2 Buffer OUT 64 Bytes

Endpoint 2 Buffer IN

Endpoint 3 Buffer IN

Endpoint 4 Buffer IN

Endpoint 5 Buffer IN

64 Bytes

8 Bytes

8 Bytes

8 Bytes

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