PI6C185-01B View Datasheet(PDF) - Pericom Semiconductor
Part Name
Description
MFG CO.
'PI6C185-01B' PDF : 6 Pages View PDF
PI6C185-01B
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Pin Description
Pin
Signal Type
2,3,11,12,15 SDRAM [0.4]
I
5
BUF_IN
I
7
SDATA
I/O
8
1,6,13,16
4,9,10,14
SCLK
VDD
VSS
I
Power
Ground
Qty
Description
5 Buffered Clock Outputs
1 Clock Buffer Input
1 Serial Data for I2C interface, internal pull-up
1 Serial Clock for I2C interface, internal pull-up
4 3.3V Power Supply
4 Ground
PI6C185-01B I2C Address Assignment
A6 A5 A4 A3 A2 A1 A0 R/W
110 10 0 1 0
PI6C185-01B Serial Configuration Map
Byte0: SDRAM Active/Inactive Register
(1 = enable, 0 = disable)
Bit Pin #
Description
Bit 7 12 SDRAM3 (Active/Inactive)
Bit 6 11 SDRAM2 (Active/Inactive)
Bit 5
- NC (Initialize to 0)
Bit 4
- NC (Initialize to 0)
Bit 3
- NC (Initialize to 0)
Bit 2
- NC (Initialize to 0)
Bit 1 3 SDRAM1 (Active/Inactive)
Bit 0 2 SDRAM0 (Active/Inactive)
Note:
Inactive means outputs are held LOW and
are disabled from switching
Byte1: SDRAM Active/Inactive Register
(1 = enable, 0 = disable)
Bit Pin#
Description
Bit 7 - NC (Initialize to 0)
Bit 6 - NC (Initialize to 0)
Bit 5 - NC (Initialize to 0)
Bit 4 - NC (Initialize to 0)
Bit 3 - NC (Initialize to 0)
Bit 2 - NC (Initialize to 0)
Bit 1 - NC (Initialize to 0)
Bit 0 15 SDRAM4 (Active/Inactive)
2
PS8466 05/03/00
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