DSP56303 FREESCALE [Freescale Semiconductor, Inc], DSP56303 Datasheet - Page 129

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

Freescale Semiconductor
HPCR
cont.
Register
8
9
10
11
12
13
14
15
No.
Bit
4
5
6
7
Table 6-19. HI08 Programming Model, DSP Side (Continued)
HROD
HMUX
HREN
HAEN
HDSP
HDDS
HCSP
HASP
HEN
HRP
HAP
Bit
—
Host Request
Enable
Host
Acknowledge
Enable
Host Enable
Reserved
Host Request
Open Drain
Host Data Strobe
Polarity
Host Address
Strobe Polarity
Host Multiplexed
Bus
Host Dual Data
Strobe
Host Chip Select
Polarity
Host Request
Polarity
Host
Acknowledge
Polarity
Name
DSP56303 User’s Manual, Rev. 2
Value
Bit
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
HDRQ = 0
HDRQ = 1
HREQ/HTRQ = GPIO
HREQ/HTRQ
HACK/HRRQ = GPIO
HREQ/HTRQ =
HREQ,HREQ/HTRQ
HACK/HRRQ = HTRQ, HRRQ
HDRQ = 0
HDRQ=1
HACK/HRRQ = GPIO
HREQ/HTRQ
HACK/HRRQ = GPIO
HACK/HRRQ = HACK
HREQ/HTRQ
HACK/HRRQ = HTRQ, HRRQ
Host Port = GPIO
Host Port Active
Reserved
HREQ/HTRQ/HRRQ = driven
HREQ/HTRQ/HRRQ = open drain
HDS/HRD/HWR active low
HDS/HRD/HWR active high
HAS active low
HAS active high
Separate address and data lines
Multiplexed address/data
Single Data Strobe (HDS)
Double Data Strobe (HWR, HRD)
HCS active low
HCS active high
HREQ/HTRQ/HRRQ active low
HREQ/HTRQ/HRRQ active high
HACK active low
HACK active high
Function
Programming Model Quick Reference
HW/
SW
0
0
0
0
0
0
0
0
0
0
0
0
Reset Type
Indivi-
dual
—
—
—
—
—
—
—
—
—
—
—
STOP
—
—
—
—
—
—
—
—
—
—
—
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