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4-28 C156-E205-01EN
Table 4.27 Device parameter information (2/6)
Word Value Bits Description
50 0000h Reserved
51 0200h 15-8 PIO data transfer cycle timing mode
7-0 Reserved
52 0000h 15-0 Reserved
53 0007h 15-3
2
1
0
Reserved
Information in word 88 is valid. (1b)
Information in words 64 to 70 is valid. (1b)
Information in words 54 to 58 is valid. (1b)
54-62 0000h Reserved
63 0407h 15-
11
Reserved (0b)
(Default value) 10 Multiword DMA transfer mode 2 is selected.
9 Multiword DMA transfer mode 1 is selected.
8 Multiword DMA transfer mode 0 is selected.
7-3 Reserved (0b)
2 Multiword DMA transfer modes 2 to1 are supported.(1b)
1 Multiword DMA transfer modes 1 and 0 are supported.(1b)
0 Multiword DMA transfer modes 0 is supported.(1b)
64 0003h 15-2 Reserved (0b)
1 PIO transfer modes 4 and under are supported.(1b)
0 PIO transfer modes 3 and under are supported.(1b)
65 0078h (120) Minimum multiword DMA transfer time per word (ns)
66 0078h (120) Recommended multiword DMA transfer time (ns)
67 0078h (120) Minimum PIO transfer cycle time when flow control is disabled
(ns)
68 0078h (120) Minimum PIO transfer cycle time when flow control using
IORDY is enabled (ns)
69-70 0000h Reserved
71 07D0h (2000) Required time after the PACKET command is received until the
bus is released (#s) (Typical)
72 0000h (0000) Required time after the SERVICE command is received until
BSY is cleared (#s) (Typical)
73-79 0000h Reserved