參數(shù)資料
型號: Alpha 21164
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Alpha Microprocessor(64位微處理器)
中文描述: 阿爾法微處理器(64位微處理器)
文件頁數(shù): 12/115頁
文件大?。?/td> 846K
代理商: ALPHA 21164
12
Pinout and Signal Descriptions
Pin Assignment
4 Pinout and Signal Descriptions
Sections 4.1 and 4.2 list and describe the 21164 microprocessor external signals and
their associated pins.
4.1 Pin Assignment
The 21164 has 499 pins aligned in an interstitial pin grid array (IPGA) design.
Table 1 lists the 21164 signal pins and their corresponding pin grid array (PGA) loca-
tions in alphabetic order. There are 296 functional signal pins, 3 spare (unused) sig-
nal pins, 39 external power (
Vdd
) pins, 65 internal power (
Vddi
) pins, and 96
ground (
Vss
) pins.
Table 1 Alphabetic Signal Pin List
(Sheet 1 of 5)
Signal
PGA
Location Signal
PGA
Location Signal
PGA
Location
addr_h<4>
BB14
addr_h<5>
BC13
addr_h<6>
BA13
addr_h<7>
AV14
addr_h<8>
AW13
addr_h<9>
BC11
addr_h<10>
BA11
addr_h<11>
AV12
addr_h<12>
AW11
addr_h<13>
BC09
addr_h<14>
BA09
addr_h<15>
AV10
addr_h<16>
AW09
addr_h<17>
BC07
addr_h<18>
BA07
addr_h<19>
AV08
addr_h<20>
AW07
addr_h<21>
BC05
addr_h<22>
BC39
addr_h<23>
AW37
addr_h<24>
AV36
addr_h<25>
BA37
addr_h<26>
BC37
addr_h<27>
AW35
addr_h<28>
AV34
addr_h<29>
BA35
addr_h<30>
BC35
addr_h<31>
AW33
addr_h<32>
AV32
addr_h<33>
BA33
addr_h<34>
addr_h<37>
1
BC33
addr_h<35>
addr_h<38>
1
AW31
addr_h<36>
AV30
BA31
BC31
addr_h<39>
BB30
addr_bus_req_h
E23
addr_cmd_par_h
B20
addr_res_h<0>
C27
addr_res_h<1>
F26
addr_res_h<2>
E27
big_drv_en_h
D40
cack_h
G21
cfail_h
C25
clk_mode_h<0>
AU21
clk_mode_h<1>
BA23
clk_mode_h<2>
BB26
cmd_h<0>
F20
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