GP4020 Datasheet, PDF (14/17 Pages) Zarlink Semiconductor Inc – GPS Receiver Baseband Processor

GP4020
Electrical Characteristics (continued)
Characteristic
Symbol
Min.
Value
Typ. Max.
General Purpose Input/Output (GPIO)
Output delay
Input set-up time
Input hold time
UARTs
T_GPOD
T_GPIS
20
T_GPIH
10
Standard Baud rate
Reset logic
B_DPUS
1·2
Input reset pulse width
100
20
115·2
Units
ns
ns
ns
kBaud
ns
Conditions
GPIO[7:0]
GPIO[7:0]
GPIO[7:0]
U1/2TXD, U1/2RXD
NSRESET input to cause
reset of whole chip
14