Rev. 1.00, 09/03, page 52 of 704
3.2 Register
Descriptions
The following registers are related to the operating mode.
•
Mode control register (MDCR)
•
System control register (SYSCR)
3.2.1
Mode Control Register (MDCR)
MDCR monitors the current operating mode and operating mode settings.
Bit
Bit Name
Initial Value
R/W
Descriptions
7
EXPE
0
R/W
Extended Mode Enable
Extended Mode Set Up
0: Single-chip mode
1: Extended mode
6 to 3
All 0
R
Reserved
2
1
0
MDS2
MDS1
MDS0
*
*
*
R
R
R
Mode Select 2 to 0
These bits indicate the input levels at pins MD2 to
MD0 (the current operating mode). Bits MDS2 to
MDS0 correspond to MD2 to MD0. MDS2 to
MDS0 are read-only bits and they cannot be
written to
The mode pin (MD2 to MD0) input levels are
latched into these bits when MDCR is read.
These latches are canceled by a reset
Note:
*
Determined by pins MD2 to MD0.
Содержание H8S/2437
Страница 2: ...Rev 1 00 09 03 page ii of xxxviii ...
Страница 8: ...Rev 1 00 09 03 page viii of xxxviii ...
Страница 32: ...Rev 1 00 09 03 page xxxii of xxxviii ...
Страница 38: ...Rev 1 00 09 03 page xxxviii of xxxviii ...
Страница 168: ...Rev 1 00 09 03 page 130 of 704 ...
Страница 336: ...Rev 1 00 09 03 page 298 of 704 ...
Страница 402: ...Rev 1 00 09 03 page 364 of 704 ...
Страница 454: ...Rev 1 00 09 03 page 416 of 704 ...
Страница 512: ...Rev 1 00 09 03 page 474 of 704 ...
Страница 562: ...Rev 1 00 09 03 page 524 of 704 ...
Страница 648: ...Rev 1 00 09 03 page 610 of 704 ...
Страница 672: ...Rev 1 00 09 03 page 634 of 704 ...
Страница 732: ...Rev 1 00 09 03 page 694 of 704 ...
Страница 742: ...Rev 1 00 09 03 page 704 of 704 ...
Страница 745: ......
Страница 746: ...H8S 2437 Group Hardware Manual REJ09B0059 0100Z ...