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Casio QT-6000 Service Manual

Casio QT-6000
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55
8-7. CPU (IC26: SH7751)
8-7-1. Pin Assignment
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256
XTAL2
EXTAL2
VDD-RTC
VSS-RTC
CA
NMI
/
/
MD6/
TXD
MD2/RXD2
RXD
TCLK
MD8/
SCK
MD1/TXD2
MD0/SCK2
MD7/
AUDSYNC
AUDCK
AUDATA0
AUDATA1
AUDATA2
AUDATA3
Reserved
MD3/
MD4/
MD5
DACK0
DACK1
DRAK0
DRAK1
STATUS0
STATUS1
/BRKACK
TDO
VDD-PLL2
VSS-PLL2
VDD-PLL1
VSS-PLL1
VDD-CPG
VSS-CPG
XTAL
EXTAL
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/
/
PCICLK
IDSEL
/MD9
/MD10
/
/
A25
A24
A23
A22
A21
A20
A19
A18
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
/DQM3
/DQM2
A17
A16
A15
A14
A13
A12
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TMS
TCK
TDI
/
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
/DQM0
/DQM1
RD/
CKIO
Reserved
Reserved
/ /
CKE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
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AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
C/
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
C/
PAR
C/
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
C/
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
QFP256
(Top view)
VDD (internal)
VSS (internal)
VDDQ (IO)
VSSQ (IO)
Note: Power must be supplied to the on-chip PLL power supply pins (VDD-PLL1, VDD-PLL2, VSS-PLL1,
VSS-PLL2, VDD-CPG, VSS-CPG, VDD-RTC, and VSS-RTC) regardless of whether or not the PLL
circuits, crystal resonator, and RTC are used.

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Casio QT-6000 Specifications

General IconGeneral
Types of paymentCash
Second displayYes
Second display typeLED
Power sourceAC
AC input voltage120-240 V
Power consumption1100 mA
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)20 - 85 %
Weight and Dimensions IconWeight and Dimensions
Depth311 mm
Width343 mm
Height288 mm
Weight5300 g

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