ACT5260PC-P10-POD データシートの表示（PDF） - Aeroflex Corporation
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ACT5260PC-P10-POD Datasheet PDF : 10 Pages
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Boot Time Mode Stream Comparison Chart – 5260 vs 4700
5260
Mode Bit
Description
0
4..1
7..5
8
10..9
11
12
14..13
15
Reserved (must be zero)
Write-back data rate
0 → DDDD
1 → DDxDDx
2 → DDxxDDxx
3 → DxDxDxDx
4 → DDxxxDDxxx
5 → DDxxxxDDxxxx
6 → DxxDxxDxxDxx
7 → DDxxxxxxDDxxxxxx
8 → DxxxDxxxDxxxDxxx
9−15 reserved
Pclock to SysClock Multiplier
0 → Multiply by 2, 1 → Multiply by 3
2 → Multiply by 4, 3 → Multiply by 5
4 → Multiply by 6, 5 → Multiply by 7
6 → Multiply by 8, 7 reserved
Specifies byte ordering. Logically ORed with
BigEndian input signal.
0 → Little endian
1 → Big endian
00 → R4000 compatible non-block writes,
01 → reserved,
10 → pipelined non-block writes,
11 → non-block write re-issue
0 → Enable the timer interrupt on Int[5],
1 → Disable the timer interrupt on Int[5].
Reserved: Must be zero (0)
Output driver strength
10 → 100% strength (fastest), 11 → 83%
strength, 00 → 67% strength, 01 → 50%
strength (slowest)
Reserved: Must be zero (0)
17..16 System configuration identifiers - software
visible in processor Config[21..20]
18
21..19
24..22
255..25
0 → Set Timer/Counter to run at Pclock/2
1 → Set Timer/Counter to run at Pclock
Reserved: Must be zero (0)
Write address to write data delay in P cycles
000 → 0 cycles(R5000), ..., 111 → 7 cycles
Reserved: Must be zero (0)
4700
Mode Bit
Description
0
Reserved: Must be zero (0)
4..1 Write-back data rate
0→D
1 → DDx
2 → DDxx
3 → DxDx
4 → DDxxx
5 → DDxxxx
6 → DxxDxx
7 → DDxxxxxx
8 → DxxxDxxx
9−15 reserved
7..5 Clock divisor
0 → 2,1 → 3
2 → 4, 3 → 5
4 → 6, 5 → 7
6 → 8, 7 → reserved
8
0 → Little endian
1 → Big endian
10..9
11
12
14..13
15
16
17
18
255..19
00 → R4000 compatible,
01 → reserved,
10 → pipelined writes,
11 → write re-issue
0 → Enable the timer interrupt on Int[5],
1 → Disable the timer interrupt on Int[5].
Reserved: Must be zero (0)
Output driver strength
10 → 100% strength (fastest), 11 → 83%
strength, 00 → 67% strength, 01 → 50%
strength (slowest)
0 ⇒ TClock[0] enabled,
1 ⇒ TClock[0] disabled
0 ⇒ TClock[1] enabled,
1 ⇒ TClock[1] disabled
0 ⇒ RClock[0] enabled,
1 ⇒ RClock[0] disabled
0 ⇒ RClock[1] enabled,
1 ⇒ RClock[1] disabled
Reserved: Must be zero (0)
Aeroflex Circuit Technology
4
SCD5260PC REV A 9/15/97 Plainview NY (516) 694-6700
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