hi-3200 Holt Integrated Circuits, Inc., hi-3200 Datasheet - Page 46

• Manufacturer Part Number: hi-3200
• Description: Avionics Data Management Engine / Arinc 429 - Can Bus Bridge
• Manufacturer: Holt Integrated Circuits, Inc.

SCK
SPI Mode 0
SI
SO
CS
High Z
SCK
SI
SO
CS
SPI Mode 0
MSB
0
High Z
1
Command Byte
2
MSB
0
3
1
4
Command Byte
2
FIGURE 2. Single-Byte Read From RAM or a Register
5
FIGURE 3. 2-Byte Write To RAM or a Register Pair
3
6
LSB
4
7
5
HOLT INTEGRATED CIRCUITS
MSB
0
6
1
HI-3200, HI-3201
LSB
7
2
Data Byte 0
MSB
0
3
46
1
4
2
5
Data Byte
3
6
LSB MSB
4
7
5
0
6
1
LSB
LSB MSB
7
2
Data Byte 1
3
Host may continue to assert
here to read sequential byte(s)
when allowed by the instruction.
Each byte needs 8 SCK clocks.
High Z
4
Host may continue to assert
here to write sequential byte(s)
when allowed by the SPI instruction.
Each byte needs 8 SCK clocks.
5
6
LSB
7
CS
CS