W90P710CD Datasheet, PDF (526/552 Pages) Winbond – 32-BIT ARM7TDMI-BASED MCU

W90P710CD/W90P710CDG
7.3.8 Smart Card Interface AC Characteristics
SC_RST
SC_CLK
SC_DAT
T_R
T_F
F_SC
T_clkh T_clkl
T_{clk_rst}
T_{clk_dat}
SYMBOL
T_R and T_F for RST
DESCRIPTION
Rising and falling time of
RST signal
T_R and T_F for CLK
Rising and falling time of
CLK signal
T_R and T_F for DAT
(Transmit)
Rising and falling time of
DAT signal in transmission
mode
T_R and T_F for DAT Rising and falling time of
(Receive)
DAT siganl in receive mode
F_SC
T_clkh
T_clkl
T_{clk_dat}
Smart card clock frequency
Smart card clock high time
Smart card clock low time
DAT output delay from
SC_CLK falling edge
T_{clk_rst}
RST output delay from
SC_CLK falling edge
CONDITION
CL = 30pF
(Max)
CL = 30pF
(Max)
CL = 30pF
(Max)
MIN
4
1
40%
40%
5
5
TYP
2.5
50%
50%
-
-
MAX
0.8
8% of
clock
period
0.8
1.2
20
60%
60%
20
10
UNIT
us
us
us
MHz
clock
clock
ns
ns
Publication Release Date: September 19, 2006
- 527 -
Revision B2