參數資料
型號: SiI0680ACLU144
廠商: Silicon Image, Inc.
英文描述: PCI to IDE/ATA
中文描述: PCI到IDE / ATA的
文件頁數: 103/124頁
文件大小: 820K
代理商: SII0680ACLU144
Silicon Image, Inc.
SiI0680A PCI to IDE/ATA
Data Sheet
2006 Silicon Image, Inc.
SiI-DS-0069-C
103
10. Design for Testability
The SiI 0680A chip features internal scan for testability and fault coverage at the ASIC level, and a NAND tree for testability of
the I/O pins at the board level. Test logic to support testing of the on-chip PLL is also included. Internal scan testing and PLL
testing requires several bypass modes in the ASIC clocking system. These operational and bypass modes are illustrated in
Fig. 10-1.
2
2
3
2
2
PLL
2
0
1
&
3
2
1
0
5ns
0
1
1
0
0
1
&
4K
0
1
PCI_GNT_N
IDE0_DMARQ
PCI_CLK
IDE0_CBLID_N
IDE1_CBLID_N
SCAN_EN
TEST_MODE
BA5_EN
( FB Clock )
(Ref Clock)
(Test Clock)
(Test Clock)
(Test Clock)
PLL_TEST_MODE
SCAN_MODE
P_CLK
I0_CLK
I1_CLK
MEM_CS_N
Normal Function
PCI_CLK x 2
100 MHz
133 MHz
33 MHz
Test
Register
1
0
Nand Tree
PCI_INTA_N
Normal Function
SYS_NAND_TEST
JP
SYS_IDE_CLKSEL[1:0]
&
PCI_IDSEL
&
PLL_TEST_CLK_SEL
RST_PLL_TEST
&
To all scan flip flops
Figure 10-1: SiI 0680A Clocking System and Test Feature Diagram
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