參數(shù)資料
型號: STP2223BGA
元件分類: 總線控制器
英文描述: PCMCIA BUS CONTROLLER, PBGA456
封裝: PLASTIC, BGA-456
文件頁數(shù): 34/34頁
文件大?。?/td> 476K
代理商: STP2223BGA
9
UPA to PCI Interface
U2P
STP2223BGA
July 1997
SIGNAL DESCRIPTION
Pin naming conventions
Active low signals are denoted by an underscore or underscore L, following the signal name, examples:
B_CBE_[0] and UPA_CLK_L.
Direction is input (I), output (O), and bidirectional (IO).
Pin Summary
TABLE 1: Signal Name Prexes
Functional Block
Prex
PCI66 Bus (66MHz)
A_
PCI Bus (33MHz)
B_
UPA bus
UPA_
JTAG Port
PSY_T
TABLE 2: Pin Count
Section
Pins
What It Includes
UPA Interface
130
UPA Master/Slave/Interrupter 64 bit interface
PCIA Interface
97
66MHz, 64 bit PCI interface, shared PCI Reset
PCIB Interface
96
33MHz, 64 bit PCI interface
Clock inputs
5
UPA, U2P core, Timer clocks and bypass
Miscellaneous
11
Interrupts, reset, ext/int_event
Test
5
JTAG port and diagnostics
Signal Total
344
Power/Ground
112
Including 8 special Power/Ground Pins
Total
456
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