Sharp 28JS-74E Service Manual page 51

SDA5550 (IC6001)
Block Diagram
698
X9U
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Qr…vƒur…hy
QXH 7ˆ†
D‡r…shpr
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V6SU
TAS†
8y‚pxÃÉ
Pinning
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
VSS
VDD 3.3
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P4.2
P4.3
RST
0HPRU\
([WHQVLRQ
6WDFN
DS6H
!'Y'
!$%Y'
Memory
Extension Unit
H'$ T
Counter 0
Counter 1
Interrupt
Controller
T’p
T’†‡r€
6 hy‚tÃHˆ‘
698
Q…‚t…h€ÃSPH
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Core
51
698
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YS6H
TS6H
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&KDUDFWHU
520
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RAM/ROM Interface
V
Display logic H
9v†ƒyh’ÃBrr…h‡‚…
CLUT
BLANK/COR
Display
Regs
FIFO
DAC's
D5
D0
D6
A0
D7
FL_CE
A1
A2
VDD 3.3
VSS
A10
A3
PSEN
ALE
A4
A11
A5
A9
A6
A8
28JS-74E