S3C9644 Overview
S3C9644/C9648/P9648 PRODUCT OVERVIEW 1 PRODUCT OVERVIEW SAM87RI PRODUCT FAMILY Samsung's SAM87RI family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-programmable ROM sizes. A dual address/data bus architecture and a large number of bit- or nibble-configurable I/O ports provide a flexible programming environment for applications...
S3C9644 Key Features
- SAM87RI CPU core Timer/Counter
- One 8-bit basic timer for watchdog function and programmable oscillation stabilization interval generation function One
- 4/8K-byte internal program memory (ROM) 208-byte RAM
- USB Serial Bus
- patible to USB low speed (1.5 Mbps) device 1.0 specification. 1 Control endpoint and 2 Data endpoint Serial bus interfac
- Packet decoding/generation
- CRC generation and checking
- NRZI encoding/decoding and bit-stuffing
- 8 bytes each receive/transmit USB buffer
- 41 instructions IDLE and STOP instructions added for powerdown modes