M3A-HS64 Functions
2.9 Reset Module
Rev. 1.00 Apr 30, 2009
2-26
REJ11J0034-0100
2
2.9 Reset Module
A reset IC controls reset signals connected to the SH7264, flash memory and peripheral I/Os on the M3A-HS64. There are two
system reset options; power-on reset, and reset by switch.
The following figure shows the reset module block diagram.
RNA50C27AUS
SWG
VDD33
VDD18
CREXT
3.3 V
EN pin of the
DC/DC that
generates 1.2 V
RESP#
RESN#
3.3 V
SW2
H-UDI connector (14-pin)
RES#
H-UDI connector (36-pin)
RES#
NOR flash memory
RESET#
Serial flash memory
RESET#
RS-232C driver
SHDN#
+
Expansion connector
0.1 F
330 K
Reset IC output delay time: td = 330 K
x 0.1 F = 33 ms
Figure 2.9.1 Reset Module Block Diagram
Summary of Contents for M3A-HS64
Page 6: ...This page is blank for reasons of layout...
Page 11: ...1 1 Chapter 1Overview Chapter 1 Overview...
Page 39: ...2 1 Chapter 2 M3A HS64 Functions Chapter 2 M3A HS64 Functions...
Page 67: ...3 1 Chapter 3 M3A HS64G01 Functions Chapter 3 M3A HS64G01 Functions...
Page 95: ...4 1 Chapter 4 M3A HS64G02 Functions Chapter 4 M3A HS64G02 Functions...
Page 125: ...5 1 Chapter 5M3A HS64 Operating Specifications Chapter 5 M3A HS64 Operating Specifications...
Page 207: ...A 1 Appendix Schematics...
Page 208: ...A 2 This page intentionally left blank...
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Page 238: ...SH7264 CPU Board M3A HS64 User s Manual REJ11J0034 0100...