参数资料
型号: IBM25PPC750CXEJP5513T
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 533 MHz, RISC PROCESSOR, PBGA256
封装: 27 X 27 MM, PLASTIC, BGA-256
文件页数: 25/44页
文件大小: 416K
代理商: IBM25PPC750CXEJP5513T
Data Sheet
Preliminary
PowerPC 750CXe RISC Microprocessor
750cxe_DD3.1_Dev_3_gen_mkt.fm.1.5
April 8, 2004
PowerPC 750CXe Dimension and Physical Signal Assignments
Page 23 of 36
TS
1
Low
I/O
TSIZ0–TSIZ2
3
High
Output
TT0–TT4
5
High
I/O
WT
1
Low
Output
BVSEL
1
High
Input
Pin set LOW = +1.8 V, pin set HIGH = +2.5 V
(this is supported for DD2.X)
AV
DD
1
Supply for PLL
OV
DD
24
Supply for Receiver/Drivers
V
DD
40
Supply for Core
Ground
53
Common Ground
Table 5-2. PPC750 Signals Not Supported in the 750CXe
Signal Name
Pin Count
Active
I/O
ABB
1
Low
I/O
DBB
1
Low
I/O
DBDIS
1
Low
Input
RSRV
1
Low
Output
SMI
1
Low
Input
TBEN
1
High
Input
VOLTDET
1
High
Output
AP0–3
4
High
I/O
DP0–7
8
High
I/O
DRTRY
1
Low
Input
TLBISYNC
1
Low
Input
Table 5-1. Signal Listing for the 256 PBGA Package (Continued)
Signal Name
Pin Count
Active
I/O
Notes
Notes:
1. These are test signals for factory use only and must be pulled up to OV
DD for normal machine operation.
2. The CKSTP_OUT signal in test mode allows viewing the PowerPC 750CXe internal clocks.
The QACK signal allows selection of 32-bit mode.(See the PowerPC 750CXe User’s Manual for more information.)
3. L2-TSTCLK in normal mode is
DBWO, for details, see Section 6.7.4 on Page 34.
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