W6694CD WINBOND [Winbond], W6694CD Datasheet - Page 7

• Manufacturer Part Number: W6694CD
• Description: USB Bus ISDN S/T-Controller
• Manufacturer: WINBOND [Winbond]

4. Pin Description, continued
EPCS
EPSK
EPDI
EPDO
V
V
V
V
V
V
V
IOP0
IOP1
IOP2
IOP3
IOP4
IOP5
IOP6
IOP7
SUSP
NC
RESET
TEST1, TEST2
DD
DD
DD
DD
DD
DD
DD
SYMBOL
1,V
21, V
22, V
23, V
U, V
3
3I
SS
SS
SS
SS
SS
1
U
21
22
23
PIN NO.
47, 44
14, 13
24, 23
37, 36
21, 22
5, 4
17
18
19
20
40
43
26
27
28
29
30
31
32
33
25
34
35
External Serial EEPROM Interface
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
I
I
I
Power and Ground
Serial EEPROM chip select.
Serial EEPROM data clock.
Serial EEPROM data input
Serial EEPROM data output
ISDN S/T analog power (5V), Ground
Digital power (5V), Ground
USB core power (5V), Ground
Regulator output (3.3V)
Regulator input (3.3V)
IO pin capable of driving LED.
External reset. Cause internal circuit reset. Internal 10k
ohm pull-up is provided.
Test mode enable. Connected to HIGH for normal
operation.
USB suspended. Active HIGH
No connection. Internal pull-up is provided.
Others
IO Pins
NC
- 7 -
Publication Release Date: October 2000
FUNCTION
Preliminary W6694
Revision A1