Philips Semiconductors
ISP1581
Hi-Speed USB interface device
Product data
Rev. 05 — 26 February 2003
42 of 78
9397 750 10766
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Table 57:
Interrupt register: bit allocation
Bit
31
30
29
28
27
26
25
24
Symbol
reserved
EP7TX
EP7RX
Reset
------
0
Bus reset
------
0
Access
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
EP6TX
EP6RX
EP5TX
EP5RX
EP4TX
EP4RX
EP3TX
EP3RX
Reset
00000000
Bus reset
00000000
Access
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
EP2TX
EP2RX
EP1TX
EP1RX
EP0TX
EP0RX
reserved
EP0SETUP
Reset
000000
-
0
Bus reset
000000
-
0
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
reserved
DMA
HS_STAT
RESUME
SUSP
PSOF
SOF
BRESET
Reset
-
0000000
Bus reset
-
000000
unchanged
Access
R/W
Table 58:
Interrupt register: bit description
Bit
Symbol
Description
31 to 26
reserved
reserved; must write logic 0
25
EP7TX
A logic 1 indicates the Endpoint 7 TX buffer as interrupt source.
24
EP7RX
A logic 1 indicates the Endpoint 7 RX buffer as interrupt source.
23
EP6TX
A logic 1 indicates the Endpoint 6 TX buffer as interrupt source.
22
EP6RX
A logic 1 indicates the Endpoint 6 RX buffer as interrupt source.
21
EP5TX
A logic 1 indicates the Endpoint 5 TX buffer as interrupt source.
20
EP5RX
A logic 1 indicates the Endpoint 5 RX buffer as interrupt source.
19
EP4TX
A logic 1 indicates the Endpoint 4 TX buffer as interrupt source.
18
EP4RX
A logic 1 indicates the Endpoint 4 RX buffer as interrupt source.
17
EP3TX
A logic 1 indicates the Endpoint 3 TX buffer as interrupt source.
16
EP3RX
A logic 1 indicates the Endpoint 3 RX buffer as interrupt source.
15
EP2TX
A logic 1 indicates the Endpoint 2 TX buffer as interrupt source.
14
EP2RX
A logic 1 indicates the Endpoint 2 RX buffer as interrupt source.
13
EP1TX
A logic 1 indicates the Endpoint 1 TX buffer as interrupt source.
12
EP1RX
A logic 1 indicates the Endpoint 1 RX buffer as interrupt source.
11
EP0TX
A logic 1 indicates the Endpoint 0 data TX buffer as interrupt
source.
10
EP0RX
A logic 1 indicates the Endpoint 0 data RX buffer as interrupt
source.