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): 34/115頁
文件大?。?/td> 846K
代理商: ALPHA 21164
34
Pinout and Signal Descriptions
21164 Signal Names and Functions
1
This signal is shown as bidirectional. However, for normal operation, it is input only. The output
function is used during manufacturing test and verification only.
sys_mch_chk_irq_h
I
1
System machine check interrupt request.
Test Modes and Miscellaneous
dc_ok_h
I
1
DC voltage OK.
perf_mon_h
I
1
Performance monitor.
port_mode_h<1:0>
I
2
Select test port interface modes (normal, manufac-
turing, and debug).
srom_clk_h
O
1
Serial ROM clock.
srom_data_h
I
1
Serial ROM data.
srom_oe_l
srom_present_l
1
O
1
Serial ROM output enable.
B
1
Serial ROM present.
tck_h
I
1
JTAG boundary-scan clock.
tdi_h
I
1
JTAG serial boundary-scan data in.
tdo_h
O
1
JTAG serial boundary-scan data out.
temp_sense
I
1
Temperature sense.
test_status_h<1:0>
O
2
Icache test status.
tms_h
trst_l
1
I
1
JTAG test mode select.
B
1
JTAG test access port (TAP) reset.
Table 3 21164 Signal Descriptions by Function
(Sheet 3 of 3)
Signal
Type Count Description
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