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参数资料
型号： GT-48208
厂商： Galileo Technology Services, LLC
英文描述： Advanced Switched Ethernet Controllers for 10+10/100 BaseX(高级交换式 10+10/100 BaseX以太网控制器)
中文描述： 先进的交换式以太网控制器的10 10/100 BaseX（高级交换式10 10/100 BaseX以太网控制器）
文件页数： 102/135页
文件大小： 1619K
代理商： GT-48208
GT-482xx Switched Ethernet Controllers for 10+10/100 BaseX
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16.
CPU HARDWARE INTERFACE AND ADDRESS MAPPING
The GT-482xx can work in both managed and unmanaged implementations. When managed, the GT-482xx inter-
faces directly with a 32-bit slave bus. The GT-482xx supports single and burst (up to eight 32-bit word) read/write
CPU operations. A single interrupt line is used to indicate interrupt requests to the CPU.
16.1
Register and Memory Mapping
The GT-482xx’s internal registers and SDRAM are memory mapped. Bit 22 in the address is used to specify
DRAM area ("0" - DRAM) or the internal registers ("1" - Internal registers). The GT-482xx SDRAM can be
accessed by the CPU.
16.2
CPU Interface Modes
The GT-482xx provides direct interface to 32-bit CPUs listed in Table 17. Multiple GT-482xx devices can be con-
nected to the same CPU bus.
Table 17: GT-482xx CPU Support
M a nuf.
C PU
Suppor t
IDT
R3041
Glueless interface in R3041 mode.
IDT
R4640
Glueless interface through Galileo’s GT-64011 System Controller.
Use GT Mode.
IDT
QED
RV4650
RV4700
RV5000
RM5260
RM5270
Direct interface through Galileo’s GT-64010A and GT-64120 Sys-
tem Controllers. Use GT Mode.
Intel
i960Jx
Glueless interface in i960Jx Mode.
Intel
i960Cx/Hx
Requires glue logic to multiplex the address and data buses. Use
i960Jx Mode.
Intel
i960Rx
Glueless interface in i960Jx Mode.
Intel
AMD
Cyrix
IBM
80486
Requires glue logic to multiplex the address and data buses. Must
terminate bursts not aligned to quad word (16 bytes) since 80486
uses sub-block burst ordering (use Ready/BReady pins). Use
i960Jx Mode.
Motorola
ColdFire 5202
Glueless interface in ColdFire Mode.
Motorola
ColdFire 5206
Requires glue logic to multiplex the address and data buses. Use
ColdFire Mode.
IBM
PowerPC 401
Minimal glue logic (if any) as this device is compatible with i960Jx
protocol. Use i960Jx mode.
-
PCI Bus
Use GT-64111 which has a simple direct connection to GT-482xx.
An Application Note will be available. Use GT mode.
相关PDF资料
PDF描述
GT-48212 Advanced Switched Ethernet Controllers for 10+10/100 BaseX(高级交换式 10+10/100 BaseX以太网控制器)
GT-64010A System Controller with PCI Interface for R4XXX/ R5000 Family CPUs(带PCI接口用于R4XXX/ R5000 系列 CPUs的系统控制器)
GT-64012 Secondary Cache Controller For the MIPS R4600/4650/4700/5000,(用于MIPS R4600/4650/4700/5000处理器的二级高速缓存控制器)
GT-64111 System Controller for RC4640, RM523X and VR4300 CPUs(用于RC4640, RM523X和 VR4300 CPUs的系统控制器)
GT-96100A Advanced Communication Controller That Handles a Wide Range of Serial Communication Protocols,such as Ethernet,Fast Ethernet,and HDLC(通信协议的高级通信协议（以太网、快速以太网、HDLC）控制器)
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