Chapter 4
4 - 12
Clock generating section
The clock generating section generates clocks necessary for the MAIN
CPU, MAIN G/A, and other control ICs.
MG-5100SA-FD outputs 16 MHz, 7.3728 MHz, 20 MHz, 14.318 MHz, and
32 MHz.
CY2305SC-1 outputs 32 MHz.
Frequency of MCPUCLK can be switched by the setting of the jumper.
DG
+3.3V
MCPUCLK
TCLK
( 7 )
7.3728M
( 8 )
DG
16MHz
R121
51F
R122
51F
CLKB
4
OE
11
S0
2
VDD2
13
S1
1
CLKA
3
CPUCLK
5
CLKD
6
XBUF
7
VDD1
14
S2
12
CLKC
10
GND
9
TIN
8
X1
MG-5100SA-FD
MCKIO
( 7,11 )
PC_MCKIO
( 12 )
GA_MCKIO
( 8 )
R254 33F
R255 33F
REF
1
CLK2
2
CLK1
3
GND
4
CLKOUT
8
CLK4
7
VDD
6
CLK3
5
IC9
CY2305SC-1
+3.3V
DG
64MHz
32M_G
R256
51F
R257
51F
C139
0.01uFBJ
C140
0.01uFBJ
C141
0.01uFBJ
+3.3V
DG
JP1
R123
51F
16MHz / 32MHz
2
1
+
C172
4.7UF/6.3V(T)3
2
1
+
C173
4.7UF/6.3V(T)3
C219
0.01UFFZ
R124
62F
JP2
0F
SD_MCKIO
( 10 )
R258 33F
LCDCCKIO
( 18 )
R259 33F
R125
51F
R126
51F
LCDCCLK2
( 18 )
16MHz
( 7 )
( 8 )
14.318M
R127
51F
14.318MHz
20M
7.3728MHz
20MHz
( 19 )
( 13 )
PCICLK
R409
51F
( 13 )
Summary of Contents for FX-7302
Page 10: ...viii ...
Page 12: ......
Page 60: ...Chapter 2 2 40 ...
Page 62: ......
Page 86: ...Chapter 4 4 18 ...
Page 87: ...4 19 MAIN BOARD circuit diagram PCB 6956B Power connection table No 1 ...
Page 114: ...4 46 ...
Page 116: ......
Page 130: ......
Page 131: ...6 1 MAIN BOARD PCB 6956B component side ...
Page 132: ...6 2 MAIN BOARD PCB 6956B soldering side ...
Page 133: ...6 3 OPERATION BOARD PCB 6957B component side ...
Page 134: ...6 4 OPERATION BOARD PCB 6957B soldering side ...
Page 135: ...6 5 ECG AMP BOARD PCB 6731D component side ...
Page 136: ...6 6 ECG AMP BOARD PCB 6731D soldering side ...
Page 137: ...6 7 MARK SENSER BOARD PCB 6942 component side ...
Page 138: ...6 8 MAGAZIN UP BOARD PCB 6943A component side ...
Page 139: ...6 9 CONNECTION BOARD PCB 7028 component side ...
Page 140: ...6 10 ...
Page 142: ......
Page 151: ...7 9 Outline view 255 315 70 76 ...
Page 152: ...7 10 ...
Page 154: ......
Page 160: ...Chapter 8 8 6 ...
Page 161: ......