Section 3
MCU Operating Modes
Rev. 1.00 Apr. 28, 2008 Page 73 of 994
REJ09B0452-0100
3.2.4
System Control Register 3 (SYSCR3)
SYSCR3 selects the register map and interrupt vector.
Bit Bit
Name
Initial
Value R/W Description
7 —
0
R/W Reserved
The initial value should not be changed.
6 EIVS
*
1
R/W
Extended interrupt Vector Select
*
Selects compatible mode or extended mode for the
interrupt vector table.
0: H8S/2140B Group compatible vector mode
1: Extended vector mode
For details, see section 5, Interrupt Controller.
5 RELOCATE
1
R/W Register Address Map Select
Selects compatible mode or extended mode for the
register map.
When extended mode is selected for the register map,
CPU access for registers can be controlled without
using the KINWUE bit in SYSCR or the IICE bit in
STCR to switch the registers to be accessed.
0: H8S/2140B Group compatible register map mode
1: Extended register map mode
For details, see section 27, List of Registers.
4 to 0 —
All 0
R/W
Reserved
The initial value should not be changed.
Note:
*
Switch the modes when an interrupt occurrence is disabled.
3.3 Operating
Mode
Descriptions
3.3.1 Mode
2
The CPU can access a 16-Mbyte address space in either advanced mode or single-chip mode. The
on-chip ROM is enabled.
Summary of Contents for H8S/2100 Series
Page 2: ...Rev 1 00 Apr 28 2008 Page ii of xxvi...
Page 54: ...Section 1 Overview Rev 1 00 Apr 28 2008 Page 28 of 994 REJ09B0452 0100...
Page 92: ...Section 2 CPU Rev 1 00 Apr 28 2008 Page 66 of 994 REJ09B0452 0100...
Page 158: ...Section 5 Interrupt Controller Rev 1 00 Apr 28 2008 Page 132 of 994 REJ09B0452 0100...
Page 244: ...Section 8 8 Bit PWM Timer PWMU Rev 1 00 Apr 28 2008 Page 218 of 994 REJ09B0452 0100...
Page 330: ...Section 10 16 Bit Timer Pulse Unit TPU Rev 1 00 Apr 28 2008 Page 304 of 994 REJ09B0452 0100...
Page 416: ...Section 13 8 Bit Timer TMR Rev 1 00 Apr 28 2008 Page 390 of 994 REJ09B0452 0100...
Page 612: ...Section 18 I 2 C Bus Interface IIC Rev 1 00 Apr 28 2008 Page 586 of 994 REJ09B0452 0100...
Page 706: ...Section 20 LPC Interface LPC Rev 1 00 Apr 28 2008 Page 680 of 994 REJ09B0452 0100...
Page 752: ...Section 21 FSI Interface Rev 1 00 Apr 28 2008 Page 726 of 994 REJ09B0452 0100...
Page 774: ...Section 23 RAM Rev 1 00 Apr 28 2008 Page 748 of 994 REJ09B0452 0100...
Page 1008: ...Section 28 Electrical Characteristics Rev 1 00 Apr 28 2008 Page 982 of 994 REJ09B0452 0100...
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