Sundance Spas ST201 - Manual (Page 140)

140
Sundance Technology ST201 PRELIMINARY draft 2
T
wh
EWEN write cycle high 100 - -
T
wl
EWEN write cycle low 90 - -
EEPROM INTERFACE
T
skc
EESK cycle 1us - -
T
skh
EESK high 250 - -
T
skl
EESK low 250 - -
T
cs
EECS low 250 - -
T
pd
EEDI valid wrt EESK rise 100 - -
T
csk
EECS setup wrt EESK rise 50 - -
T
csh
EECS hold wrt EESK fall 0 - -
T
dos
EEDO setup wrt EESK rise 70 500 -
T
doh
EEDO hold wrt EESK rise - 500 -
MII INTERFACE - TRANSMIT
T
cc
TXCLK cycle - - 40T
T
ch
TXCLK high 14T 26T -
T
cl
TXCLK low T = 1 when 100Mb/s; 10
when 10Mb/s 14T 26T -
T
rv
TXCLK rise to TXD, TXEN
valid 20
T
rh
TXD, TXEN hold after
TXCLK rise 5 - -
MII INTERFACE - RECEIVE
T
cc
RXCLK cycle - - 40T
T
ch
RXCLK high 14T 26T -
T
cl
RXCLK low T = 1 when 100Mb/s; 10
when 10Mb/s 14T 26T -
T
su
RXD,RXER,RXDV setup wrt
RXCLK rise 10 - -
T
hd
RXD,RXER,RXDV hold wrt
RXCLK rise 5 - -
PARAMETER
SYMBOL
PARAMETER
DESCRIPTION
TEST CONDITIONS MIN MAX UNIT
TABLE 6: Switching Characteristics