參數(shù)資料
型號(hào)： IBM25405GP-3BA200C2
元件分類： 微控制器/微處理器
英文描述： RISC PROCESSOR, PBGA456
封裝： PLASTIC, BGA-456
文件頁數(shù)： 38/48頁
文件大小： 649K
代理商： IBM25405GP-3BA200C2
PowerPC 405GP Embedded Controller
Advance Information
Data Sheet
galdsh5f
06/15/99 Preliminary
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 43 of 48
I/O Specications (Part 1 of 3)
Notes:
1. SDRAM command interface is a two-cycle path (first driven in cycle 1 and then sampled at SDRAMs in cycle 2)
2. Output timings are actually relative to a rising edge of the internal PLB bus clock, which is always an integer multiple of
SysClk. The on chip PLL maintains this internal clock such that it is rising edge aligned with SysClk. For this reason all
SDRAM output timings are shown relative to SysClk.
3. Asynchronous PCI timings at 66MHz maximum
Signal
Input (ns)
Output (ns)
Output Current (mA)
Clock
Notes
Setup Time
(minimum)
Hold Time
(minimum)
Valid Delay
(maximum)
50pF load
Hold Time
(minimum)
50 pF load
I/O H
(maximum)
I/O L
(minimum)
PCI Interface
PCIAD0:31
3
0
6
1
12.3
15.5
PCIClk
3
PCIC0:3[BE0:3]
3
0
6
1
12.3
15.5
PCIClk
3
PCIClk
dc
n/a
async
PCIDevSel
3
0
6
1
12.3
15.5
PCIClk
3
PCIFrame
3
0
6
1
12.3
15.5
PCIClk
3
PCIGnt0[Req]
PCIGnt1:5
n/a
6
1
12.3
15.5
PCIClk
3
PCIIDSel
3
0
6
1
n/a
PCIClk
3
PCIINT[PerWE]
n/a
dc
12.3
15.5
PCIClk
async
PCIIRDY
3
0
6
1
12.3
15.5
PCIClk
3
PCIParity
3
0
6
1
12.3
15.5
PCIClk
3
PCIPErr
3
0
6
1
12.3
15.5
PCIClk
3
PCIReq0[Gnt]
PCIReq1:5
5
0
n/a
PCIClk
3
PCIReset
n/a
12.3
15.5
PCIClk
PCISErr
n/a
12.3
15.5
PCIClk
PCIStop
3
0
6
1
12.3
15.5
PCIClk
3
PCITRDY
3
0
6
1
12.3
15.5
PCIClk
3
Ethernet Interface
EMCMDClk
n/a
settable
2
9
6
async
EMCMDIO[PHYMDIO]
n/a
36
2
9
6
PHYTX
EMCTxD0:3
n/a
20
2
9
6
PHYTX
EMCTxEn
n/a
20
2
9
6
PHYTX
EMCTxErr
n/a
20
2
9
6
PHYTX
PHYCol
9
6
async
PHYCrS
9
6
async
PHYRxClk
n/a
async
PHYRxD0:3
4
1
n/a
9
6
PHYRxDV
4
1
n/a
9
6
PHYRxErr
4
1
n/a
9
6
PHYTxClk
n/a
async
SDRAM Interface
BA0:1
n/a
8.25
2
19
12
SysClk
1, 2
BankSel0:3
n/a
7
1.8
19
12
SysClk
2
CAS
n/a
8.25
2
19
12
SysClk
1, 2
ClkEn0:1
n/a
6.8
1.6
40
25
SysClk
2
DQM0:3
n/a
7
1.8
19
12
SysClk
2
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