L99DZ120 Electrical specifications
3.4.28 Timer1 and Timer2
6 V ≤ V
SREG
≤ 18 V; T j
= -40 °C to 150 °C
Table 43. Timer1 and Timer2
Test condition Min.
Symbol
T3
T4
T5
T6
T7
T8 ton 1 ton 2 ton 3 ton 4 ton 5
T1
T2
Parameter
Timer on time
Timer on time
Timer on time
Timer on time
Timer on time
Timer period
Timer period
Timer period
Timer period
Timer period
Timer period
Timer period
Timer period
Typ.
Max.
Unit
50
100
200
500
1000
2000
10
20
10
20
0.1
0.3
1 ms ms ms ms ms ms ms ms ms ms ms ms ms
Figure 17. SPI – transfer timing diagram
&61KLJKWRORZ'2HQDEOHG
&61
WLPH
&/.
; ;
',GDWDZLOOEHDFFHSWHGRQWKHULVLQJHGJHRI&/.VLJQDO
WLPH
',
'2
; ;
&RPPDQG%\WH 'DWD
'2GDWDZLOOFKDQJHRQWKHIDOOLQJHGJHRI&/.VLJQDO
*OREDO6WDWXV%\WH
*OREDO(UURU
; ;
&61ORZWRKLJKDFWXDOGDWDLV
WUDQVIHUHGWRRXWSXWSRZHUVZLWFKHV
ROGGDWD
WLPH
WLPH
,QSXW
'DWD
5HJLVWHU
QHZGDWD
WLPH
*$3*&)7
The SPI can be driven by a micro controller with its SPI peripheral running in the following mode:
CPOL = 0 and CPHA = 0.
For this mode input data is sampled by the low to high transition of the clock CLK, and output data is changed from the high to low transition of CLK.
DS11567 Rev 5
55/161
160
Electrical specifications
&61
&/.
',
Figure 18. SPI input timing
W
VHW&61
W
&/.+
W
VHW',
W
KROG',
W
&/./
9DOLG 9DOLG
W
VHW&/.
L99DZ120
7$$
7$$
7$$
7$$
7$$
7$$
*$3*&)7
56/161
DS11567 Rev 5
L99DZ120
&/.
'2
ORZWRKLJK
'2
KLJKWRORZ
&61
Figure 19. SPI output timing
7I
&/.
7U
&/.
Electrical specifications
9FF
9FF
9FF
7U
'2
9FF
9FF
7G
'2
7I
'2
9FF
9FF
7I
&61
7U
&61
9FF
9FF
9FF
7HQ
'2BWULB/
7GLV
'2B/BWUL
7HQ
'2BWULB+
("1($'5
DS11567 Rev 5
57/161
160
