SH7751 Datasheet, PDF (102/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

1. Overview
Item
Clock pulse
generator (CPG)
Features
• Choice of main clock
⎯ SH7751: 1/2, 1, 3, or 6 times EXTAL
⎯ SH7751R: 1, 6, or 12 times EXTAL
• Clock modes: (Maximum frequency: Varies with models)
⎯ CPU frequency: 1, 1/2, 1/3, 1/4, 1/6, or 1/8 times main clock
⎯ Bus frequency: 1, 1/2, 1/3, 1/4, 1/6, or 1/8 times main clock
⎯ Peripheral frequency: 1/2, 1/3, 1/4, 1/6, or 1/8 times main clock
• Power-down modes
⎯ Sleep mode
⎯ Deep sleep mode
⎯ Pin sleep mode
⎯ Standby mode
⎯ Hardware standby mode
⎯ Module standby function
• Single-channel watchdog timer
Memory
management
unit (MMU)
• 4-Gbyte address space, 256 address space identifiers (8-bit ASIDs)
• Single virtual mode and multiple virtual memory mode
• Supports multiple page sizes: 1 Kbyte, 4 Kbytes, 64 Kbytes, 1 Mbyte
• 4-entry fully-associative TLB for instructions
• 64-entry fully-associative TLB for instructions and operands
• Supports software-controlled replacement and random-counter
replacement algorithm
• TLB contents can be accessed directly by address mapping
Rev.4.00 Oct. 10, 2008 Page 4 of 1122
REJ09B0370-0400