DSP56303 FREESCALE [Freescale Semiconductor, Inc], DSP56303 Datasheet - Page 128

• Manufacturer Part Number: DSP56303
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Host Interface (HI08)
6.8 Programming Model Quick Reference
Table 6-19 summarizes the HI08 programming model.
6-28
HCR
HPCR
Register
Note:
Register
Name
ISR
IVR
RX
TX
A long dash (—) denotes that the bit value is not affected by the specified reset.
No.
Bit
0
1
2
3
4
0
1
2
3
HCSEN
HA8EN
HA9EN
HGEN
HRIE
HCIE
HTIE
HF2
HF3
RXH:RXM:RXL
Bit
TXH:TXM:TXL
Table 6-18. Host-Side Registers After Reset (Continued)
HF3 -HF2
Register
IV[0–7]
HREQ
TRDY
TXDE
RXDF
Data
Table 6-19. HI08 Programming Model, DSP Side
Receive Interrupt
Enable
Transmit
Interrupt Enable
Host Command
Interrupt Enable
Host Flag 2
Host Flag 3
Host GPIO
Enable
Host Address
Line 8 Enable
Host Address
Line 9 Enable
Host Chip Select
Enable
Name
DSP56303 User’s Manual, Rev. 2
Reset
empty
empty
HW
$0F
0
0
1
1
0
Value
Bit
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Reset
empty
empty
HRRQ interrupt disabled
HRRQ interrupt enabled
HTRQ interrupt disabled
HTRQ interrupt enabled
HCP interrupt disabled
HCP interrupt enabled
GPIO signal disconnected
GPIO signals active
HA8/A1 = GPIO
HA8/A1 = HA8
HA9/A2 = GPIO
HA9/A2 = HA9
HCS/A10 = GPIO
HCS/A10 = HCS
$0F
SW
0
0
1
1
0
Function
Individual Reset
1 if TREQ is set;
0 otherwise
Reset Type
empty
empty
—
—
1
1
0
HW/
SW
0
0
0
0
0
0
0
0
0
Freescale Semiconductor
1 if TREQ is set;
0 otherwise
Reset Type
STOP
empty
empty
Indivi-
dual
—
—
1
1
0
—
—
—
—
—
—
—
—
STOP
—
—
—
—
—
—
—
—