Section 1
Overview
Rev.2.00 Jun. 28, 2007 Page 11 of 666
REJ09B0311-0200
Classification Pin
Name
I/O
Description
Bus control
BACK
Output
Bus acknowledge signal, which indicates that the bus has
been released.
BS
-A/
BS
-B
Output
Indicates the start of a bus cycle.
AS
Output
Strobe signal which indicates that the output address on the
address bus is valid in access to the basic bus interface or
byte control SRAM interface space.
AH
Output
This signal is used to hold the address when accessing the
address-data multiplexed I/O interface space.
RD
Output
Strobe signal which indicates that reading from the basic
bus interface space is in progress.
RD/
WR
Output
Indicates the direction (input or output) of the data bus.
LHWR
Output
Strobe signal which indicates that the higher-order byte
(D15 to D8) is valid in access to the basic bus interface
space.
LLWR
Output
Strobe signal which indicates that the lower-order byte (D7
to D0) is valid in access to the basic bus interface space.
LUB
Output
Strobe signal which indicates that the higher-order byte
(D15 to D8) is valid in access to the byte control SRAM
interface space.
LLB
Output
Strobe signal which indicates that the lower-order byte (D7
to D0) is valid in access to the byte control SRAM interface
space.
CS0
CS1
CS2
-A/
CS2
-B
CS3
CS4
-A/
CS4
-C
CS5
-A/
CS5
-B/
CS5
-C/
CS5
-D
CS6
-A/
CS6
-B/
CS6
-C/
CS6
-D
CS7
-A/
CS7
-B/
CS7
-C
Output
Select signals for areas 0 to 7.
WAIT
Input
Requests wait cycles in access to the external space.
Содержание H8SX/1650
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Страница 106: ...Section 4 Exception Handling Rev 2 00 Jun 28 2007 Page 84 of 666 REJ09B0311 0200...
Страница 142: ...Section 5 Interrupt Controller Rev 2 00 Jun 28 2007 Page 120 of 666 REJ09B0311 0200...
Страница 326: ...Section 8 I O Ports Rev 2 00 Jun 28 2007 Page 304 of 666 REJ09B0311 0200...
Страница 470: ...Section 12 Watchdog Timer WDT Rev 2 00 Jun 28 2007 Page 448 of 666 REJ09B0311 0200...
Страница 546: ...Section 13 Serial Communication Interface SCI Rev 2 00 Jun 28 2007 Page 524 of 666 REJ09B0311 0200...
Страница 566: ...Section 14 A D Converter Rev 2 00 Jun 28 2007 Page 544 of 666 REJ09B0311 0200...
Страница 574: ...Section 16 RAM Rev 2 00 Jun 28 2007 Page 552 of 666 REJ09B0311 0200...
Страница 584: ...Section 17 Clock Pulse Generator Rev 2 00 Jun 28 2007 Page 562 of 666 REJ09B0311 0200...
Страница 638: ...Section 19 List of Registers Rev 2 00 Jun 28 2007 Page 616 of 666 REJ09B0311 0200...
Страница 668: ...Section 20 Electrical Characteristics Rev 2 00 Jun 28 2007 Page 646 of 666 REJ09B0311 0200...
Страница 676: ...Appendix Rev 2 00 Jun 28 2007 Page 654 of 666 REJ09B0311 0200...
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Страница 692: ...H8SX 1650 Group Hardware Manual...