E521.40 Datasheet, PDF (28/84 Pages) ELMOS Semiconductor AG – Transceiver compliant with PSI5 standard v1.3 and v2.1

2 Channel Multi-Mode PSI5 Transceiver
Production Data – Apr 27, 2016
E521.40
Example: long SYNC pulse
70%
V _TRIG
(Pin TRIG)
i_trig
t trig_lo _ pulse
i _tri g _ f
t DGL_itrig
A TIC 1 5 8
ti m e r
30%
t_{DGL_itrig}
tSYNC_DLY
SYNC_DLY
long pulse (t¹³ + t1)
SYNC_time
V _SIFx
t ≥ (t_{DGL_itrig} + 1/f_CLK)
Figure 6.1.3.7-1: Long SYNC Pulse Trigger via Pin TRIG
Example: short SYNC pulse
70%
V _TRIG
(Pin TRIG)
i_trig
t _{trig_ sh_pulse}
30%
i _tri g _ f
t DGL_ it rig
t_{DGL_itrig}
A TIC 1 5 8
ti m e r
tSYNC_DLY
SYNC_DLY
short pulse (t⁰³ + t₁)
SYNC_time
V _SIFx
t ≥ (t_{DGL_itrig} + 1/f_CLK)
Figure 6.1.3.7-2: Short SYNC Pulse Trigger via Pin TRIG
6.1.3.8 Sync Pulse Generation by UART/SPI Command
Following timing diagrams show the SYNC pulse generation triggered by a UART or SPI command.
UART
A TIC 1 5 8
timer
Srt D0 …. D7 P Stp
syncronizer
1/(f_{CLK_EXT}) + 4/(f_{CLK_INT})
tSYNC _ DLY
SYNC_DLY
long
pulse
(t
1
3
+
t₁)
short pulse (t⁰³ + t1)
SYNC_time
V _SIFx
Figure 6.1.3.8-1: Short SYNC Ptrigger via UART
Elmos Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
Elmos Semiconductor AG
Data Sheet
28 / 84
QM-No.: 25DS0110E.04