M16C1N Datasheet, PDF (33/238 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/10 SERIES

M16C/1N Group
RESET
VCC
Figure 5.1 Example reset circuit
Example when VCC = 5V.
5V
4.2V
VCC
0V
5V
RESET
0V
0.8V
More than td(P-R)+200µs
RESET
VCC
Supply voltage
detection circuit
Example when VCC = 5V.
5V
VCC
4.2V
0V
5V
RESET
0V
More than td(P-R)+200µs
Figure 5.2 Example reset circuit (example voltage check circuit)
VCC
Internal on-chip
oscillation
RESET
td(P-R)
BCLK
(Internal clock)
Address
(Internal address
signal)
More than 20cycles are needed
BCLK 28cycles
FFFFC16
Content of reset vector
FFFFE16
Figure 5.3 Reset sequence
5. Reset
Rev.1.00 Oct 20, 2004 page 21 of 222
REJ09B0007-0100Z