Samsung ML-1665 Service Manual - Page 28

a AsicJupiter4e, b Memory - reset

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Product spec and feature (a) Asic(Jupiter4e) • CPU Core : Use 32Bit RISC Processor of Jupiter4e, and control system by operating Operation Block of the System Program inside Flash Memory. - Main Function Block: ▶ Completely Integrated System for Embedded Applications 32 Bit Risc Architecture, Efficient and Powerful ARM9 CPU ▶ LSU Interface Module for Interfacing PVC with LSU ▶ 2 Channel General Purpose DMA Controller for High Speed I/O ▶ Dual Memory Bus Architecture - Operation Frequency : 150MHz Operation Voltage : 3.3V - POWER ON RESET TIME : 6.6ms below (b) Memory 1) Flash Memory Store System Program and can be download System Program through PC Interface - Capacity : 0.5M Byte - Access Time : 70 nsec 2) SDRAM When Printing, use Band Buffer, System Working Memory Area . - 8M capa : 8M Byte basic 8M :Printing System Working Memory Area Access Time : 60 nsec Service Manual 2-18 Samsung Electronics

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Product spec and feature
Service Manual
2-18
Samsung Electronics
(a) Asic(Jupiter4e)
• CPU Core : Use 32Bit RISC Processor of Jupiter4e, and control system by operating Operation Block of
the System Program inside Flash Memory.
- Main Function Block:
▶
Completely Integrated System for Embedded Applications,
▶
32 Bit Risc Architecture, Efficient and Powerful ARM9 CPU
▶
LSU Interface Module for Interfacing PVC with LSU
▶
2 Channel General Purpose DMA Controller for High Speed I/O
▶
Dual Memory Bus Architecture
- Operation Frequency : 150MHz
- Operation Voltage : 3.3V
- POWER ON RESET TIME : 6.6ms below
(b) Memory
1) Flash Memory
Store System Program and can be download System Program through PC Interface
- Capacity : 0.5M Byte
- Access Time : 70 nsec
2) SDRAM
When Printing, use Band Buffer, System Working Memory Area .
- 8M capa : 8M Byte basic.
8M :Printing System Working Memory Area
- Access Time : 60 nsec