Complete Block Diagram; Figure 2 - Complete Game Boy Advance System Block Diagram - Nintendo GAME BOY ADVANCE Programming Manual

4
2.2

Complete Block Diagram

Figure 2 - Complete Game Boy Advance System Block Diagram

AGB Unit
Regulator IC
CPU External WRAM
256KByte
16bit Bus
6Pin-EXP
SIO
External
Communi-
Device
cation
Sound
Volume
Headphone
Jack
AGB-06-0001-002-B13
Released: May 27, 2005
Game Boy Advance Programming Manual
LCD Module
2.9"Reflective TFT Color LCD
r 240 x 160 x RGB Dot
e
i v
32,768 Colors Displayable
r
D
D
C
L
LCD Driver
CPU
2wait
VRAM
98KByte
8/32bit SIO
16bit Bus
General Purpose
Port
CPU Internal WRAM
Multi-SIO 32KByte
UART 32bit Bus
JOY
AGB System ROM
16KByte
32bit Bus
Peripheral Circuit
(SOUND, DMA, TIMER, I/O, etc)
Sound
Amp
4.194MHz
(System 16.78MHz)
Speaker
Gane Pak
General Purpose
Bus Memory Space
64KByte Max.
AD Bus Memory
Space
32MByte Max.
Power 3.3V
AGB Game Pak(AGB Only)
LCD Driver LCD Driver
B
G
R
LCD Controller
AGB 32bit
CPU Core
ARM7TDMI
CGB 8bit
CPU Core
CGB System ROM
2KB
Prefetch Buffer
16bit 8
x
/
s
s
u
u
B
B 3.3V(AGB) 5V(DMG/CGB)
D
e
A
s
o
n
p
e
r
e
u
Game Pak Shape
w
P
t
l
Detection Switch
e
a
B r
e
h
n
c
t
e
i
G
w
Game Pak Power
S
3.3V(AGB)/5V(DMG/CGB)
General Purpose Bus
Memory Space
32KByte Max.
DMG/CGB Game Pak
May 25, 2005
-15V 2.5V 3.3V 5V 13.6V
DC-DC Converter
and Regulator
Power Switch
AA Alkaline Battery
AA Alkaline Battery
3.3V/5V
Voltage
Detection
Circuit
Controller
R
L
A
B
SELECT START
Power 5V
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