S3P9648 datasheet(2/26 Pages) SAMSUNG

2 / 26 page

PRODUCT OVERVIEW

S3C9644/C9648/P9648

1-2

FEATURES

CPU

•

SAM87RI CPU core

Memory

•

4/8K-byte internal program memory (ROM)

•

208-byte RAM

Instruction Set

•

41 instructions

•

IDLE and STOP instructions added for power-

down modes

Instruction Execution Time

•

1.0

µs at 6 MHz f

OSC

Interrupts

•

25 interrupt sources with one vector, each

source has its pending bit

•

One level, one vector interrupt structure

Oscillation Circuit

•

6 MHz crystal/ceramic oscillator

•

External clock source (6 MHz)

General I/O

•

Bit programmable five I/O ports (34 pins total)

— (D+/PS2, D-/PS2 Included)

Timer/Counter

•

One 8-bit basic timer for watchdog function and

programmable oscillation stabilization interval

generation function

•

One 8-bit timer/counter with Compare/Overflow

USB Serial Bus

•

Compatible to USB low speed (1.5 Mbps) device

1.0 specification.

•

1 Control endpoint and 2 Data endpoint

•

Serial bus interface engine (SIE)

— Packet decoding/generation

— CRC generation and checking

— NRZI encoding/decoding and bit-stuffing

•

8 bytes each receive/transmit USB buffer

Operating Temperature Range

•

– 40 _C to + 85 _C

Operating Voltage Range

•

4.0 V to 5.25 V

Package Types

•

42-pin SDIP

•

44-pin QFP

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