Figure D-6 Host Receive And Host Transmit Data Registers - Motorola DSP56309 User Manual

Programming Reference
Application:
HOST
23 22 21 20 19 18 17 16
Receive High Byte
Host Receive Data Register (HRX)
X:$FFEC6 Read Only
Reset = empty
23 22 21 20 19 18 17 16
Transmit High Byte
Host Transmit Data Register (HTX)
X:$FFEC7 Write Only
Reset = empty

Figure D-6 Host Receive and Host Transmit Data Registers

D-20
Host Receive Data (usually Read by program)
15 14 13 12 11 10 9
Receive Middle Byte
Host Transmit Data (usually Loaded by program)
15 14 13 12 11 10 9
Transmit Middle Byte
DSP56309UM/D
Date:
Programmer:
8 7 6 5 4 3
Receive Low Byte
8 7 6 5 4 3
Transmit Low Byte
MOTOROLA
Sheet 1 of 6
2 1 0
2 1 0