Casio QT-6000 - Rtc-7301 Dg (Ic19); S-80828 Clnb-B6 N-T2 (Ic55); Sn74 Ahct08 (Ic49)

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15. RTC-7301DG (IC19)
1
2
3
4
5
7
6
8
VDD
VDD
CS1
D0
D1
D2
D3
9
WR
VDD
CS0
IRQ
A0
A1
A2
A3
RD
GND
FOUT
14
15
16
17
18
13
12
11
10
32.768 kHz
7301SF
7301DG
OSC DIVIDER
Digital Trimming
REGISTER
CLOCK
and
CALENDAR
TIMER
REGISTER
ALARM
REGISTER
CONTROL
REGISTER
SYSTEM
REGISTER
FOUT
CONTROLLER
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
Temperature
Sensor
VTEMP
FOUT
FCON
IRQ
A0 - A3
D0 - D3
WR
RD
CS
0
CS1
*
1
Control Line
and
16. S-80828CLNB-B6N-T2 (IC55)
OUT
V
+
-
DD
V
SS
V
RF.F
*
*
2
4
1
43
12
V
NC
OUT
V
DD
SS
17. SG-8002JFSCB14.318M (IC41): Programmable High-Frequency Crystal Oscillator (14.318 MHz)
SG-8002JFSCB33M (IC43): Programmable High-Frequency Crystal Oscillator (33 MHz)
18. SN74AHCT08 (IC49)
11
12
13
14
V
CC
4B
4A
4Y
3B
3A
1
2
3
4
5
6
7
8
9
10
1A
GND
1B
1Y
2A
2B
2Y
3Y