Section 19 Multimedia Card Interface (MCIF)
Rev. 3.00 Jan 25, 2006 page 653 of 872
REJ09B0286-0300
19.3.15 Pin Mode Control Register (IOMCR)
IOMCR controls chip select pin operation in SPI mode and input/output direction output pin
operation in MMC mode.
Bit
Bit Name
Initial Value
R/W
Description
7
SPCNUM
0
R/W
Number of SPI Mode MMCs
Specifies whether one or two MMCs are to be
operated in SPI mode.
0: One MMC is connected to the MCCSA pin.
Disables MCCSB pin output.
1: Maximum of two MMCs are connected to the
MCCSA and MCCSB pins.
6
CHIPSA
0
R/W
MMC Selection
A
/B
Specifies selection of two MMCs while
SPCNUM = 1.
0: Outputs CS signal from the MCCSA pin, and
sets the MCCSB pin high (no selection).
1: Sets the MCCSA pin high (no selection), and
outputs CS signal from the MCCSB pin.
5 to
2
—
All 0
R
Reserved
These bits are always read as 0 and cannot be
modified.
1
DIRME
0
R/W
Signal Direction Output Enable
Enables/disables the outputs of the
MCCMDDIR and MCDATDIR pins that output
the input/output direction of the MCCMD and
MCDAT pins, in MMC mode.
0: Disables MCCMDDIR pin and MCDATDIR
pin outputs.
1: Enables MCCMDDIR pin and MCDATDIR
pin outputs.
Summary of Contents for H8S/2158
Page 10: ...Rev 3 00 Jan 25 2006 page viii of lii...
Page 36: ...Rev 3 00 Jan 25 2006 page xxxiv of lii B Product Lineup 863 C Package Dimensions 864 Index 865...
Page 47: ...Rev 3 00 Jan 25 2006 page xlv of lii Appendix Figure C 1 Package Dimensions TBP 112A 864...
Page 54: ...Rev 3 00 Jan 25 2006 page lii of lii...
Page 70: ...Section 1 Overview Rev 3 00 Jan 25 2006 page 16 of 872 REJ09B0286 0300...
Page 118: ...Section 3 MCU Operating Modes Rev 3 00 Jan 25 2006 page 64 of 872 REJ09B0286 0300...
Page 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
Page 198: ...Section 6 Bus Controller Rev 3 00 Jan 25 2006 page 144 of 872 REJ09B0286 0300...
Page 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
Page 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Page 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
Page 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Page 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Page 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Page 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Page 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 of 872 REJ09B0286 0300...
Page 844: ...Section 27 Power Down Modes Rev 3 00 Jan 25 2006 page 790 of 872 REJ09B0286 0300...
Page 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Page 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...