Renesas CPU Board M3A-HS19 Informações Técnicas descarregar pdf (Página 37)

Features and Specifications

2.10 Reset Module

Rev.1.01

Oct 28, .2008 2-21

REJ10J1351-0101

2.10 Reset Module

Reset module controls reset signals connected to the SH7619 MCU, a flash memory and connectors. Software controls to

reset PCMCIA connector.

Figure 2.10.1 shows the schematic diagram of resets.

3.3 V

SW2

Reset switch

Reset

M51957BFP(U13)

Input

Delay capacitor

Flash memory

Open collector output

Output

3.3 V

RESET#

Reset IC output delay time: td = 0.34×Cd(pF)µsec ＝ 34 ms

Reset IC output detect voltage: Vs = 1.25× = 2.5 V

)

Ra+Rb

)

0.1 µF

Expansion connector

RESET#

RES#

SH7619

H-UDI connector

RESET#

100 Ω

LVC14(U14)

S08(U15)

RESET_IN(J9-1)

PC09/RX_ER

RESET

1OE#

2OE#

Bus switch

(U9)

JP2

PCMCIA(J4)

PC20/WOL

Figure 2.10.1 M3A-HS19 Reset System

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 73 74

To our customers 1
Table of Contents 5
Overview 7
Chapter1 7
1.1 Overview 8
1.2 Configuration 8
1.3 External Specifications 9
Overview 10
1.4 Appearance 10
SH7619 CPU Board 11
M3A-HS19 11
1.6 M3A-HS19 Board Overview 12
1.7 M3A-HS19 Memory Mapping 14
Chapter2 17
Features and Specifications 17
2.1 Features 18
2.2 CPU 19
2.3 Memory 20
2.4 Serial Port Interface 29
2.5 PCMCIA Card Interface 30
SH7619 (U1) 31
RJ-45 (J5) 31
2.7 I/O Port 32
2.8 Power Supply Circuit 35
2.9 Clock Module 36
2.10 Reset Module 37
2.11 Interrupt Switch 38
2.12 E10A-USB Interface 39
Chapter3 41
Operational Specifications 41
3.1 M3A-HS19 Connectors 42
Board Edge 43
Top view of 46
3.2 Switches and LEDs 55
3.3 Dimensions 60
Appendix 61
M3A-HS19 SCHEMATICS 61
DK30575-C 63
User’s Manual 74

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