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3.3
Operation Modes
3.3.1
Operation modes
The V850ES/SA2 and V850ES/SA3 have the following operation modes.
(1) Normal operation mode
In this mode, each pin related to the bus interface is set to the port mode after system reset has been
released. Execution branches to the reset entry address of the internal ROM, and then instruction processing
is started. By setting the PMCDH, PMCDL, PMCCM, PMCCS, and PMCCT registers to the control mode
using instructions, an external device can be connected to the external memory area.
(2) Flash memory programming mode ( µ µ µ µ PD70F3201, 70F3201Y, 70F3204, and 70F3204Y)
In this mode, the internal flash memory can be programmed by using a flash programmer.
CHAPTER 3 CPU FUNCTION
Preliminary User's Manual U15905EJ1V0UD
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