參數(shù)資料
型號(hào): 80960JD
廠商: Intel Corp.
英文描述: EMBEDDED 32-BIT MICROPROCESSOR
中文描述: 嵌入式32位微處理器
文件頁數(shù): 71/78頁
文件大小: 835K
代理商: 80960JD
Advance Information Datasheet
71
80960JA/JF/JD/JT 3.3 V Microprocessor
Table 29.
Summary of n-Word Load and Store Accesses (n= 1, 2, 3, 4)
Address Offset
from Natural
Boundary in Bytes
Accesses on 8-Bit Bus
(WIDTH1:0=00)
Accesses on 16 Bit Bus
(WIDTH1:0=01)
Accesses on 32 Bit
Bus (WIDTH1:0=10)
+0 (aligned)
(n=1, 2, 3, 4)
n
burst(s) of 4 bytes
case
n
=1:
burst of 2 short words
case
n
=2:
burst of 4 short words
case
n
=3:
burst of 4 short words
burst of 2 short words
case
n
=4:
2 bursts of 4 short words
burst of
n
word(s)
+1 (
n
=1, 2, 3, 4)
+5 (
n
= 2, 3, 4)
+9 (
n
= 3, 4)
+13 (
n
= 3, 4)
byte access
burst of 2 bytes
n
-1 burst(s) of 4 bytes
byte access
byte access
short-word access
n
-1 burst(s) of 2 short
words
byte access
byte access
short-word access
n
-1 word
access(es)
byte access
+2 (
n
=1, 2, 3, 4)
+6 (
n
= 2, 3, 4)
+10 (
n
= 3, 4)
+14 (
n
= 3, 4)
burst of 2 bytes
n
-1 burst(s) of 4 bytes
burst of 2 bytes
short-word access
n
-1 burst(s) of 2 short
words
short-word access
short-word access
n
-1 word
access(es)
short-word access
+3 (
n
=1, 2, 3, 4)
+7 (
n
= 2, 3, 4)
+11 (
n
= 3, 4)
+15 (
n
= 3, 4)
byte access
n
-1 burst(s) of 4 bytes
burst of 2 bytes
byte access
byte access
n
-1 burst(s) of 2 short
words
short-word access
byte access
byte access
n
-1 word
access(es)
short-word access
byte access
+4 (
n
= 2, 3, 4)
+8 (
n
= 3, 4)
+12 (
n
= 3, 4)
n
burst(s) of 4 bytes
n
burst(s) of 2 short words
n
word access(es)
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