( DataSheet : com ) CSC1221 Features ♦ ♦ ♦ USB-OTG Portable Hard Drive with MP3 Controller Specifications CSM6x51 8-bits Controller Core: ♦ 8 bits 8051compatible MCU core ♦ Turbo mode with 2 clock per machine cycle ♦ 12MHz external ceramic resonator ♦ 24MHz internal CPU clock ♦ Two 16-bits timer ♦ Support power saving mode ♦ Built in power on reset with watchdog function Memory: ♦ 64K byte internal ROM ♦ 256 byte internal RAM ♦ In-chip 12K byte external mode data RAM ♦ Support In-System-Programming (External Flash) USB OTG Module: ♦ Fully compliant with the USB specification Rev.
2.
0 (full-speed) and OTG supplement Rev.
1.
0 ♦ Support USB Message Storage Compliant Devices a...

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