24 ---- Description of Functions
7.11
ATA
Model No.: A3-44DA-2DSA, manufacturer: HIROSE
・
Conforms to ATA-6 specifications.
・
PIO modes 0, 1, 2, 3, and 4 are supported.
・
Multiword DMA modes 0, 1, and 2 are supported.
・
Ultra DMA modes 0, 1, 2, 3, and 4 are supported under a bus clock of 50 MHz.
・
Ultra DMA mode 5 is supported under a bus clock of 80 MHz.
・
Interface with 128-bite FIFO buffer.
・
Zero-wait cycle transfer between DMA bus and FIFO buffer enables high-speed read/write of the FIFO buffer.
Hard disk is optional.
2
1
43
44
JP3
1
3
ATAPWR_SEL
Fi
g
.22
CN11 ATA Connector
Switching between power sources is possible with the JP3 setting. The factory default is 5V and 1 and 2 are short-circuited.
Short-circuiting between 2 and 3 allows 3V to be supplied.
JP3
5V
1-2 short-circuited
(factory default)
3V 2-3
short-circuited
Table 7
JP3 Settings
Содержание KZM-ARM11-01
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