Sega GENESIS II User Manual

4. BLOCK DIAGRAM
PERIPHERAL DEVICE (~g~=~~~: ~)
ANTENNA
GAME CARTRIDGE
"'17'
r--
1
I
I
I
I
I
I
I
I
I
I
I
I
-------------------------
--------------------
------------------------------------------------------------------~
I
I
I
L-
IC7. ICB
~P041264
V-RAM
64KB
OSCl
n
53. 203424M !MEGA DRIVEn>
IC6
ICll
53. o93!75 (GENESIS II>
ZCLK: 3. 5MHz
-
VCLK: 7. oMHZ FC!004
M83514
VIDEO/
E[lCK
MCLK
MCLK AUDIO
CN3 C64P>
VCLK
CN2 C60P>
osc
EDCK
RGB/
SYNC "
r--
-
ZCLK
42
~
IT < r ;1;1
1
VCLK
~
ICl
<
~ ~r
I
e:i~
131
68000CC
I I
I
II~
RGB ENCODER
VDP
-"
I
ADDRESS/CONTROL BUS llo bit>
-v
or---
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CNl
I
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·~
I I
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~
c;
~
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::>
1--
<
r--
'
rv-
DATA BUS (!b bit>
1
PSG
RGB/SYNC
v
CPU 68000
<(;:,.
II
,(;..
!
v
J I
1--
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~
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t--
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:>
r&
IC6
'
7 ~ 7
~
MIX
ao
FC!004
0
IC6
~
7
:>
FC!004
"
MCLK
L
~
EDCK
ZCLK
7 v
R ~
BUS
VCLK
I
RAM
l
ARBITER
V1: A
I/0
EDCK:
MIX
64KB
~1/0. ZTOV. VTOZ
13. 3MHZ
~
IC2. IC3
.),.
"'
0
• PD42832-15
N
IC4
ZBOQFP
"'
I
;z
,("- ,;
ZCLK
d
,..,.1 ....
~
IC6
<
N
b~b
IC12
,~~
<
FCI004
'7
N
FM SOUND SOURCE
TA7805HF
/I.
"
. ADDRESS/CONTROL BUS CB b i tl
+
DC SV
2
REGULATOR
'
N
),
cPu zao
l'r
~;,
v
/1
A.
0/A CONVERTER
IC
DATA BUS C8 bit>
~
n
-v
ICS
~>
~ ./ ~ •PD4304CX-15
~7
I
RAM
l
8KB
ONS
I
CN6
-------------------------------------------
----------------------------~------------------------------------------
!CONTROL PADI
CONTROL PAD
1 PLAYER
2 PLAYER
OPTION
1
2
3
4
5
6
~
RF UNIT
i VIDEO/AUDIO
AUDIO
I
; RGB
DC 9V OR IOV 850mA I AC ADAPTOR
-
7
E
~
TV
~
......
""
-
~
0
'
c
AC~
8
A
8
7

Sega GENESIS II Specifications

General

Brand	Sega
Model	GENESIS II
Category	Game Console
Language	English