PXF4336 Datasheet, PDF (402/425 Pages) Infineon Technologies AG – ABM Premium ATM Buf fer Manager

ABM-P
PXF 4336 V1.1
Electrical Characteristics
Table 8-4 Clock Frequencies
Parameter
Symbol
Limit Values
Core clock (internal)¹⁾
ERC core clock (internal)¹⁾
f_{int.coreclock}
min.
25
25
max.
60
60
External core clock source
SYSCLK
25
60
UTOPIA clocks at PHY-side
UTRXCLKU f_{int.coreclock}/2
ΜΙΝ
f{ _{int. coreclock,}
60 MHz}
UTTXCLKD f_{int.coreclock}/2
ΜΙΝ
f{ _{int. coreclock,}
52 MHz}
UTOPIA clock at Backplane-side UTRXCLKD f_{int.coreclock}/2
ΜΙΝ
f{ _{int. coreclock,}
60 MHz}
UTTXCLKU f_{int.coreclock}/2
ΜΙΝ
f{ _{int. coreclock,}
52 MHz}
SPI Interface clock
SPICLK
derived internally
QCI Interface clock
QCITXCLK >0
ΜΙΝ
f{ _{int. core clock,}
60 MHz}
Clock for external RAM
RAMCLK
1) _{For frequencies > 52 MHz, the following restrictions apply:}
V_DD18 = 1.8 V ± 5% and T_A = 0 to 70 °C
f_{int.coreclock}
f_{int.coreclock}
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Data Sheet
402
2001-12-17