
SiI 0680A Data Sheet Revision 1.31-1
16
Subject to change without notice
Pin
#
Pin Name
Type
Drive
Internal
Resistor
Description
20
IDE0_DD10
I/O
ATA Buffer
PU – 100k
IDE #0 Data Bus bit 10 /
FLASH memory address bit 8
21
IDE0_DD11
I/O
ATA Buffer
PU – 100k
IDE #0 Data Bus bit 1 1 /
FLASH memory address bit 7
22
IDE0_DD12
I/O
ATA Buffer
PU – 100k
IDE #0 Data Bus bit 12 /
FLASH memory address bit 6
23
IDE0_DD13
I/O
ATA Buffer
PU – 100k
IDE #0 Data Bus bit 13 /
FLASH memory address bit 5
24
IDE0_DD14
I/O
ATA Buffer
PU – 100k
IDE #0 Data Bus bit 14 /
FLASH memory address bit 4
25
IDE0_DD15
I/O
ATA Buffer
PU – 100k
IDE #0 Data Bus bit 15 /
FLASH memory address bit 3
26
VDD
PWR
-
3.3 Volt Power
27
VSS
GND
-
Ground
28
IDE0_CS0_N
I/O
12 mA
-
IDE #0 Chip Select /
FLASH
memory read strobe
29
IDE0_CS1_N
I/O
12 mA
-
IDE #0 Chip Select /
FLASH
memory write strobe
30
IDE0_DA0
I/O
12 mA
-
IDE #0 Device Address /
FLASH memory address bit 2
31
IDE0_DA1
I/O
12 mA
-
IDE #0 Device Address /
FLASH memory address bit 1
32
IDE0_DA2
I/O
12 mA
-
IDE #0 Device Address /
FLASH memory address bit 0
33
IDE0_DIOR_N
I/O
ATA Buffer
-
IDE #0 Device I/O Read
34
IDE0_DIOW_N
I/O
ATA Buffer
-
IDE #0 Device I/O Write
35
IDE0_DMACK_N
I/O
ATA Buffer
-
IDE #0 DMA Acknowledge
36
VDD
PWR
-
3.3 Volt Power
37
VSS
GND
-
Ground
38
IDE0_CBLID_N
I-Schmitt
-
PU – 100k
IDE #0 Cable ID
39
IDE0_INTRQ
I-Schmitt
-
PD – 100k
IDE #0 Interrupt Request
40
IDE0_IORDY
I-Schmitt
-
PU – 100k
IDE #0 I/O Ready
41
IDE0_AT_REXT
Analog
-
IDE #0 External Bias Circuit
42
IDE0_DMARQ
I-Schmitt
-
PD – 100k
IDE #0 DMA Request
43
IDE0_RST_N
I/O
12 mA
-
IDE #0 Reset
Table 3-1: SiI 0680A Pin Listing (continued)