Philips Semiconductors
ISP1581
Hi-Speed USB interface device
Product data
Rev. 05 — 26 February 2003
8 of 78
9397 750 10766
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
AD1
31
I/O
bit 1 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
AD2
32
I/O
bit 2 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
AD3
33
I/O
bit 3 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
AD4
34
I/O
bit 4 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
AD5
35
I/O
bit 5 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
DGND
36
-
digital ground
37
-
supply voltage (3.3 V
± 0.3 V); supplies internal digital
circuits or it is the tapped out voltage from the internal
regulator; this regulated voltage cannot be used to drive
AD6
38
I/O
bit 6 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
AD7
39
I/O
bit 7 of multiplexed address/data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
DATA0
40
I/O
bit 0 of bidirectional data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
DATA1
41
I/O
bit 1 of bidirectional data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
DGND
42
-
digital ground
43
-
supply voltage (3.3 V
± 0.3 V); supplies internal digital
circuits or it is the tapped out voltage from the internal
regulator; this regulated voltage cannot be used to drive
DATA2
44
I/O
bit 2 of bidirectional data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
DATA3
45
I/O
bit 3 of bidirectional data.
bidirectional pad; push pull output; 5 ns slew rate control;
TTL; 5 V tolerant.
Table 2:
Pin description for LQFP64 …continued
Symbol[1]
Pin
Type[2]
Description