STP2223BGA Datasheet, PDF (4/34 Pages) List of Unclassifed Manufacturers – UPA to PCI Interface

STP2223BGA
U2P
UPA to PCI Interface
External Interfaces
Figure 2. summarizes the external interfaces and pins of U2P.
UPA_DataBus
64
UPA_ECC
8
UPA_Addressbus ₃₆
UPA _{UPA_Arbitration}
6
130 pins _{UPA_P_Reply}
5
UPA_P_Reply
5
UPA_Misc
3
UPA_Reset_L
UPA_Sys_Clk
2
JTAG
5
TEST
10 pins _MISC
5
Intr.
6 pins ^INT_NUM
6
TMR_CLK
Clocks _PSYCLK
2
5 pins _BYPASS
2
Power/Ground ₁₀₄
U2P
64
A_AD
2
A_PAR
8 A_C/BE# _{PCI A}
7 ^A_CTRL 96 pins
4 A_REQ#
4
A_GNT#
4 A_IDSEL
2
A_ERR
A_CLK
Shared
PCI_RST
PCI RST
1 pin
64
B_AD
2
B_PAR
8 ^B_C/BE# _{PCI B}
7 ^B_CTRL 96 pins
6
B_REQ#
6
B_GNT#
2
B_ERR
B_CLK
VSSA _Special
2
VDDA _pwr/gnd
5
VDD5 _{8 pins}
Figure 2. U2P External Interfaces
4
July 1997