hi-3717 QuickLogic Corp, hi-3717 Datasheet - Page 17

• Manufacturer Part Number: hi-3717
• Description: Single-rail Arinc 717 Protocol Ic With Spi Interface
• Manufacturer: QuickLogic Corp

TIMING DIAGRAMS (cont.)
BI-POLAR RETURN ZERO (BPRZ)
HARVARD BI-PHASE (HBP)
(TXOUTHA - TXOUTHB
(TXOUTBA - TXOUTBB
TXOUTHA & OUTHA
TXOUTBA & OUTBA
TXOUTHB & OUTHB
TXOUTBB & OUTBB
OUTHA - OUTHB)
OUTBA - OUTBB)
FIGURE 16. Harvard Bi-Phase (HBP) & Bi-Polar Return to Zero (BPRZ) Logic Output Waveforms
V
V
DIFF
DIFF
&
&
TXHA
TXBA
TXHB
TXBB
one level
one level
FIGURE 15. Bi-Polar Return to Zero (BPRZ) Output Waveforms
one level
FIGURE 14. Harvard Bi-Phase (HBP) Output Waveforms
t
t
0V
Hr
Br
10%
t
10%
10%
rx
90%
90%
90%
HOLT INTEGRATED CIRCUITS
+3.3V
+3.3V
+5V
+10V
0V
+5V
+5V
-5V
0V
t
t
BPRZ BIT
Data Bit 0
Data Bit 0
Data Bit 0
Hf
HBP BIT
10%
Bf
90%
90%
10%
10%
null level
90%
zero level
0V
t
t
fx
fx
+3.3V
+5V
0V
-5V
0V
HI-3717
10%
17
90%
t
t
rx
fx
10%
+3.3V
90%
0V
+5V
-5V
-10V
BPRZ BIT
Data Bit 1
Data Bit 1
Data Bit 1
HBP BIT
+3.3V
+5V
+5V
0V
0V
t
rx
0V
zero level
zero level
null level
+3.3V
+3.3V
+10V
+5V
+5V
0V
0V
-5V
+5V
Data Bit 11
Data Bit 11
Data Bit 11
BPRZ BIT
HBP BIT
0V
+3.3V
0V
+5V
-5V
0V
0V