HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 523
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HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
- Current page: 523 of 829
- Download datasheet (5Mb)
This LSI has an on-chip host interface (HIF) that enables connection to the ISA bus (X-BUS) and
has an on-chip LPC interface. In the following text, these two host interfaces (HIFs) are referred to
as XBS and LPC, respectively.
The XBS provides a four-channel parallel interface between the chip’s internal CPU and a host
processor.
Communication is carried out via seven control signals from the host processor (&64, &65 or
(&65, &66, &67, HA0, ,25, and ,2:), six output signals to the host processor (GA20, HIRQ1,
HIRQ11, HIRQ12, HIRQ3, and HIRQ4), and an 8-bit bidirectional command/data bus (HDB7 to
HDB0). The &64, &65 (or (&65), &66 and &67 signals select one of the four interface channels.
18.1
IFHSTX0A_000020020700
Control of the fast GATE A20 function
Shutdown of the XBS module by the HIFSD pin
Five host interrupt requests
Section 18 Host Interface X-Bus Interface (XBS)
Features
Rev. 2.0, 08/02, page 483 of 788
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