Section 8 I/O Ports
Rev.2.00 Jun. 28, 2007 Page 294 of 666
REJ09B0311-0200
Bit Bit
Name
Initial
Value R/W Description
1
0
CS4SA
*
CS4SB
*
0
0
R/W
R/W
CS4
Output Pin Select
Selects the output pin for
CS4
when
CS4
output is
enabled (CS4E = 1)
00: Specifies pin PB0 as
CS4
-A output
01: Setting prohibited
10: Specifies pin PF7 as
CS4
-C output
11: Setting prohibited
Note:
*
If
multiple
CS
outputs are specified to a single pin according to the
CSn
output pin
select bits (n = 4 to 7), multiple
CS
signals are output from the pin. For details, see
section 6.5.3, Chip Select Signals.
8.3.3
Port Function Control Register 2 (PFCR2)
PFCR1 selects the
CS
output pin, enables/disables bus control I/O, and selects the bus control I/O
pins.
Bit
Bit Name
Initial Value
R/W
7
0
R/W
6
CS2S
0
R/W
5
BSS
0
R/W
4
BSE
0
R/W
3
0
R/W
2
RDWRE
0
R/W
1
ASOE
1
R/W
0
0
R/W
Bit Bit
Name
Initial
Value R/W Description
7
0 R/W
Reserved
This bit is always read as 0. The write value should
always be 0.
6 CS2S
*
1
0
R/W
CS2
Output Pin Select
Selects the output pin for
CS2
when
CS2
output is
enabled (CS2E = 1)
0: Specifies pin PB2 as
CS2
-A output pin
1: Specifies pin PB1 as
CS2
-B output pin
5 BSS 0 R/W
BS
Output Pin Select
Selects the
BS
output pin
0: Specifies pin PA0 as
BS
-A output pin
1: Specifies pin PA6 as
BS
-B output pin
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...
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Страница 692: ...H8SX 1650 Group Hardware Manual...