M16C65 Datasheet, PDF (94/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
6. Resets
Table 6.2
I/O Pin
XIN
I/O Pins
I/O Type
Input
Function
Main clock input. The oscillation stop detection reset is generated by
monitoring the main clock.
6.2 Registers
Refer to 7. “Voltage Detector” for registers used for the voltage monitor 0 reset, voltage monitor 1 reset,
and voltage monitor 2 reset. Refer to 15. “Watchdog Timer” for registers used for the watchdog timer
reset. Refer to 8.7 “Oscillation Stop/Re-Oscillation Detect Function” for registers used for oscillation stop
detection reset.
Table 6.3 Register Structure
Address
Register Name
Register Symbol
After Reset
0004h
Processor Mode Register 0
PM0
0000 0000b
(CNVSS pin is low)
0000 0011b
(CNVSS pin is high)
0018h
Reset Source Determine Register
RSTFR
XX00 001Xb (hardware reset) ⁽¹⁾
Note:
1. When not using the cold start-up/warm start-up discrimination flag in hardware reset.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
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