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3.1
Operating Mode Selection
This LSI supports one operating mode (mode 2). The operating mode is determined by the setting
of the mode pins (MD2 and MD1). Table 3.1 shows the MCU operating mode selection.
Table 3.1
MCU Operating Mode Selection
MCU Operating
MD2
Mode
2
1
Mode 2 is single-chip mode after a reset. The CPU can switch to extended mode by setting bit
EXPE in MDCR to 1.
Modes 0, 1, 3, 5, and 7 are not available in this LSI. Modes 4 and 6 are operating mode for a
special purpose. Thus, mode pins should be set to enable mode 2 in normal program execution
state. Mode pins should not be changed during operation.
Section 3 MCU Operating Modes
CPU Operating
MD1
Mode
1
Advanced
Section 3 MCU Operating Modes
Description
Extended mode with on-chip ROM
Single-chip mode
Rev. 1.00 Mar. 12, 2008 Page 61 of 1178
REJ09B0403-0100
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