PT8300_10 Datasheet, PDF (7/19 Pages) Princeton Technology Corp – 16-Bit I/O Expander IC

16-Bit I/O Expander IC
DATA TIMING DIAGRAM
READ
SINGLE MODE (P0-P7 = Output [Write], P8-P15 = Input [Read])
Latch
Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
PT8300
CLK
1
234
56
78
9 10 11 12 13 14 15 16
DI1
FFH (P15 to P8)
00H~FFH (P7 to P0)
DO2
P15~P8
IR RE LE VA N T
CASCADE MODE (P0-P7 [Master] = Output [Write], P8-P15 [Master] = Input [Read],
P0-P7 [Slave] = Output [Write], P8-P15 [Slave] = Input [Read])
L a tch
CLK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
DI1
DO2
FFH(Slave P 15 to P 8)
00H~ FFH( Slave P 7 to P0)
FFH(M aster P 15 to P 8)
00H~ FFH( Mas ter P 7 to P0)
P8 ~P15 (Mas ter)
IR R EL E VA N T
P8 ~P15 (Slave)
IR R EL E VA N T
PT8300 V1.8
-7-
February, 2006