PC87307VUL National Semiconductor, PC87307VUL Datasheet - Page 184

• Manufacturer Part Number: PC87307VUL
• Description: PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O
• Manufacturer: National Semiconductor

www.national.com
13.2.2 Group 2
Pin List:
Output from SLCT, PE and BUSY is open-drain in all SPP modes, except in SPP Compatible mode when the setup mode
is ECP-based FIFO and bit 4 of the Control2 parallel port register is 1. (See Table 6-1 on page 112.) Otherwise, output from
these signals is level 2. External 4.7 K pull-up resistors should be used. PE is controlled by bit 2 of PP Confg0, and it is in
Group 2 only if bit 2 of PP Confg0 Register is “0”. See Section 6.5.19 on page 127.
All group 2 pins are back-drive protected.
13.2.3 Group 3
Pin List:
Output from ACK and ERR is open-drain in all SPP modes, except in SPP Compatible mode when the setup mode is ECP-
based FIFO and bit 4 of the Control2 parallel port register is 1. (See Table 6-1 on page 112.) Otherwise, output from these
signals is level 2. External 4.7 K
Group 2 only if bit 2 of PP Confg0 Register is “0”. See section 6.5.19 on page 127.
All group 3 pins are back-drive protected.
13.2.4 Group 4
Pin List:
SELCS is a CMOS input pin.
BUSY, PE, SLCT, WAIT
ACK, ERR, PE
MSEN1,0, SELCS
Symbol
Symbol
Symbol
V
V
a. Not tested. Guaranteed by design.
V
V
a. Not tested. Guaranteed by design.
I
V
V
a. Not tested. Guaranteed by design.
I
IL
I
IH
IL
IL
IL
IH
IL
IH
IL
Input High Voltage
Input Low Voltage
Input Leakage Current
Input High Voltage
Input Low Voltage
Input Leakage Current
Input High Voltage
Input Low Voltage
Input Leakage Current
Parameter
Parameter
Parameter
TABLE 13-6. DC Characteristics of Group 2 Pins
TABLE 13-7. DC Characteristics of Group 3 Pins
TABLE 13-8. DC Characteristics of Group 4 Pins
pull-up resistors should be used. PE is controlled by bit 2 of PP Confg0, and it is in
Device Description
During Reset: V
184
Conditions
Conditions
Conditions
V
V
V
V
V
IN
IN
IN
IN
IN
= V
= V
= V
= V
= V
DD
DD
SS
SS
SS
IN
= V
DD
Min
0.5
2.0
Min
0.5
Min
0.5
2.0
2.0
a
a
a
V
V
V
Max
Max
Max
0.8
DD
10
250
120
0.8
DD
DD
0.8
10
150
10
a
a
a
Units
Units
Units
V
V
V
V
V
V
A
A
A
A
A
A