W83977EG-AW Datasheet, PDF (124/142 Pages) Nuvotem Talema – These products are not designed for use in life support appliances

W83977EF-AW/W83977EG-AW
13.3.9 KBC Timing Parameters
NO.
DESCRIPTION
T1
Address Setup Time from WRB
T2
Address Setup Time from RDB
T3
WRB Strobe Width
T4
RDB Strobe Width
T5
Address Hold Time from WRB
T6
Address Hold Time from RDB
T7
Data Setup Time
T8
Data Hold Time
T9
Gate Delay Time from WRB
T10 RDB to Drive Data Delay
T11 RDB to Floating Data Delay
T12 Data Valid After Clock Falling (SEND)
T13 K/B Clock Period
T14 K/B Clock Pulse Width
T15 Data Valid Before Clock Falling (RECEIVE)
T16 K/B ACK After Finish Receiving
T17 RC Fast Reset Pulse Delay (8 Mhz)
T18 RC Pulse Width (8 Mhz)
T19 Transmit Timeout
T20 Data Valid Hold Time
T21 Input Clock Period (6−12 Mhz)
T22 Duration of CLK inactive
T23 Duration of CLK active
T24
Time from inactive CLK transition, used to time when
the auxiliary device sample DATA
T25 Time of inhibit mode
T26 Time from rising edge of CLK to DATA transition
T27 Duration of CLK inactive
T28 Duration of CLK active
T29 Time from DATA transition to falling edge of CLK
MIN.
0
0
20
20
0
0
50
0
10
0
20
10
4
20
2
6
0
83
30
30
5
100
5
30
30
5
MAX.
30
40
20
4
3
2
167
50
50
25
300
T28-5
50
50
25
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
μS
μS
μS
μS
μS
μS
μS
mS
μS
nS
μS
μS
μS
μS
μS
μS
μS
μS
13.3.10 GPIO Timing Parameters
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