Channel 1 Receive End Address Register (Ch1_Rx_Ear); Channel 1 Receive Current Address Register (Ch1_Rx_Car) - Eads Astrium SMCS332SpW User Manual

Interface between three spacewire links
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Bit
Description
7:0
lower byte of the start address
Byte 1 at address 0x29: (only in 8 bit mode of the HOCI data port):
Bit
Description
7:0
upper byte of the start address
4.2.2.21

Channel 1 Receive End Address Register (CH1_RX_EAR)

- address:
- data width:
- access mode:
- reset value:
As soon as the upper byte is written, the address generator starts with the address in CH1_RX_SAR.
The register CH1_RX_SAR (start address) and CH1_RX_EAR (last address) defines an area in the communication
memory.
The receive address generator stops when:
bit 6 = 0 in register CH1_COMICFG:
or
bit 6 = 1 in register CH1_COMICFG:
Byte 0 at address 0x2A:
Bit
Description
7:0
lower byte of the end address
Byte 1 at address 0x2B: (only in 8 bit mode of the HOCI data port):
Bit
Description
7:0
upper byte of the end address
4.2.2.22

Channel 1 Receive Current Address Register (CH1_RX_CAR)

- address:
- data width:
- access mode:
- reset value:
The CH1_RX_CAR register shows the current address of the receive address generator. The current address is the next
"free" address.
Byte 0 at address 0x2C:
Bit
Description
7:0
lower byte of the current address
SMCS332SpW
User Manual
0x2A - 0x2B
16 bit, D15:0
read/ write
0x0000
0x2C - 0x2D
16 bit, D15:0
read only
0x0000
– All Rights Reserved – Copyright per DIN 34 –
EOP/EEP was recevied.
current address = CH1_RX_EAR and the last data was written.
EADS Astrium GmbH, ASE2
Doc No: SMCS_ASTD_UM_100
Issue:
1.4
Updated: 9-Sep-2006
Page:
40 of 131

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