Renesas SH7641 User Manual
Page 53
Section 1 Overview
Rev. 4.00 Sep. 14, 2005 Page 3 of 982
REJ09B0023-0400
Items Specification
Cache memory
• 16-kbyte cache, mixed instruction/data
• 256 entries, 4-way set associative, 16-byte block length
• Write-back, write-through, LRU replacement algorithm
• 1-stage write-back buffer
• Maximum 2 ways of the cache can be locked
X/Y memory
• Three independent read/write ports
8-/16-/32-bit access from the CPU
Maximum two 16-bit accesses from the DSP
8-/16-/32-bit access from the DMAC
• Total memory: 16-kbyte (XRAM: 8-kbyte, YRAM: 8-kbyte)
Interrupt controller
(INTC)
• Nine external interrupt pins (NMI, IRQ7 to IRQ0)
• On-chip peripheral interrupts: Priority level set for each module
• Supports soft vector mode
User break controller
(UBC)
• Addresses, data values, type of access, and data size can all be set
as break conditions
• Supports a sequential break function
• Two break channels