MSC8101PG Motorola / Freescale Semiconductor, MSC8101PG Datasheet - Page 69
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MSC8101PG
Manufacturer Part Number
MSC8101PG
Description
MSC8101PG 16-Bit Digital Signal Processor Quick Reference
Manufacturer
Motorola / Freescale Semiconductor
Datasheet
1.MSC8101PG.pdf
(162 pages)
- Current page: 69 of 162
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HCVR
HPCR
9–12 HV
Bits
Bits
14
15
8
0
1
2
3
6
8
9
Bit
Bit
HCP
HAP
HRP
HCSP
HDDS
HDSP
HEN
H8BIT
DMA
OAD
HAP
0
0
Name
Name
Host Command Vector Register
Host Port Control Register
HRP
1
1
Host Command Pending
Host Vector
Host Acknowledge Polarity
Host Request Polarity
Host Chip-Select Polarity
Host Dual Data Strobe
Host Data Strobe Polarity
Host Enable
H8-Bit Mode
Host DMA Mode Enable
One-Address Host DMA Mode Enable
HCSP
2
2
HDDS
3
3
—
Description
Description
4
4
—
Table 6-5. HDI16 Registers (Continued)
5
5
HDSP
HCVR Bit Descriptions
HPCR Bit Descriptions
6
6
Reset: Depends on reset configuration sequence
—
7
7
0 = HACK as active low input
Single host request mode:
0 = Request signal is active low
1 = Request signal is active high
0 = HCS1 or HCS2 is active low
0 = HDI16 operates in single-strobe bus mode
1 = HDI16 operates in dual-strobe bus mode
0 = HDI16 internal clock frozen
1 = HDI16 operates as the host interface
0 = 16-bit mode (default) enabled
0 = Disabled
0 = HACK input pin used as a DMA transfer acknowledge input
1 = Host address 0x4 used as a host DMA transfer acknowledge input
Value reflects CVR[HC]
Value reflects CVR[HV]
0 = Data strobe is active low
HCP
HEN
8
8
Reset: 0
H8BIT
9
9
10
10
11
11
Settings
Settings
—
1 = HACK as active high input
Double request mode:
0 = HTRQ, HRRQ are active low
1 = HDRQ, HRRQ are active high
1 = HCS1 or HCS2 is active high
1 = Data strobe is active high
1 = 8-bit mode enabled
1 = Enabled
HV
12
12
Type: R/W
Type: R
13
13
DMA
14
14
0x0060
0x0020
OAD
15
15
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