Casio QT-6100 Service Manual page 85

12. IDT2305 (IC40)
REF 1
CLK2 2
3
CLK1
GND
4
13. M51957BFP (IC33)
NC
1
INPUT
2
NC
3
GND
4
14. RTC-7301DG (IC19)
1
CS0
FOUT 2
3
IRQ
4
A0
5
A1
6
A2
7
A3
8
RD
9
GND
8 CLKOUT
CLK4
7
V
6
DD
5
CLK
NC
8
POWER
7
OUTPUT
6
INPUT
DELAY VALUE
5
18
VDD
17
VDD
16
VDD
VTEMP
15
CS1
14
D0
FOUT
FCON
13
D1
12
D2
IRQ
11
D3
A0 - A3
10
WR
D0 - D3
WR
RD
CS
0
CS1
FUNCTIONALBLOCKDIAGRAM
PLL
1
REF
POWER
5uA
-
+
1.25V
DELAY VALUE
GND
32.768 kHz
OSC DIVIDER
Temperature
Sensor
* 1
7301SF
FOUT
CONTROLLER
7301DG
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
— 83 —
8
3
Control
Logic
2
5
7
25uA
OUTPUT
-
Control Line
Digital Trimming
REGISTER
CLOCK
and
CALENDAR
TIMER
REGISTER
ALARM
REGISTER
CONTROL
REGISTER
and
SYSTEM
REGISTER
CLKOUT
CLK1
CLK2
CLK3
CLK4