Section 8
I/O Ports
Rev.2.00 Jun. 28, 2007 Page 279 of 666
REJ09B0311-0200
(7)
PA1/
BACK
/(RD/
WR
)
The pin function is switched as shown below according to the combination of bus controller
register, port function control register (PFCR), and the PA1DDR bit settings.
Setting
Bus Controller
I/O Port
Module Name
Pin Function
BACK
_OE
Byte control
SRAM
Selection (RD/
WR
)_OE PA1DDR
BACK
output
1
0 1
Bus controller
RD/
WR
output
0 0
1
PA1 output
0
0
0
1
I/O port
PA1 input
(initial setting)
0 0
0 0
(8)
PA0/
BREQO
/
BS
-A
The pin function is switched as shown below according to the combination of bus controller
register, port function control register (PFCR), and the PA0DDR bit settings.
Setting
I/O Port
Bus Controller
I/O Port
Module Name
Pin Function
BS
-A_OE
BREQ
_OE PA0DDR
BS
-A output
1
Bus controller
BREQO
output
0
1
PA0 output
0
0
1
I/O port
PA0 input
(initial setting)
0 0 0
Содержание H8SX/1650
Страница 2: ...Rev 2 00 Jun 28 2007 Page ii of xxii...
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...
Страница 688: ...Rev 2 00 Jun 28 2007 Page 666 of 666 REJ09B0311 0200...
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Страница 692: ...H8SX 1650 Group Hardware Manual...