參數(shù)資料
型號(hào): UPD70741GC-25-8EU
廠商: NEC Corp.
元件分類: 16位微控制器
英文描述: V821TM 32-/16-BIT MICROPROCESSOR
中文描述: V821TM 32-/16-BIT微處理器
文件頁(yè)數(shù): 26/112頁(yè)
文件大?。?/td> 605K
代理商: UPD70741GC-25-8EU
μ
PD70741
26
3.6 Cache
Figure 3-3 shows the instruction cache configuration provided to the V821.
Figure 3-3. Cache Configuration
31
27
22
31
0
0
21
10
Memory address
TAG
TAG31 to TAG10
Tag memory
(ICHT27 to ICHT0)
Data memory
(ICHD31 to ICHD0)
Entry 0
Entry 1
128 entries
Entry 127
Valid bits (1 bit for every 4 bytes)
NECRV (Reserved by NEC)
Sub-block (4 bytes)
Block
(8 bytes)
Offset
Index
9
3 2
0
128 blocks
Capacity
Mapping system
Block size
Sub-block size
: 1 Kbytes
: direct map
: 8 bytes
: 4 bytes
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