Rtc-7301Dg (Ic19); S-80828Clnb-B6N-T2 (Ic55); Sn74Ahct08 (Ic49) - Casio QT-6000 Service Manual

15. RTC-7301DG (IC19)

1
CS0
2
FOUT
3
IRQ
4
A0
5
A1
6
A2
7
A3
8
RD
9
GND

16. S-80828CLNB-B6N-T2 (IC55)

NC
V
SS
4 3
1 2
OUT V
DD
17. SG-8002JFSCB14.318M (IC41): Programmable High-Frequency Crystal Oscillator (14.318 MHz)
SG-8002JFSCB33M (IC43):

18. SN74AHCT08 (IC49)

1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
GND 7
18
VDD
17
VDD
16
VDD
VTEMP
15
CS1
14
D0
FOUT
7301SF
FCON
7301DG
13
D1
12
D2
IRQ
11
D3
A0 - A3
10
WR
D0 - D3
WR
RD
CS
0
CS1
2
V
DD
V
RF.F
V
SS
4
Programmable High-Frequency Crystal Oscillator (33 MHz)
14 V
CC
13
4B
12
4A
11 4Y
3B
10
3A
9
8 3Y
— 97 —
32.768 kHz
OSC DIVIDER
Temperature
Sensor
* 1
FOUT
CONTROLLER
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
*
OUT
+
1
-
*
Control Line
Digital Trimming
REGISTER
CLOCK
and
CALENDAR
TIMER
REGISTER
ALARM
REGISTER
CONTROL
REGISTER
and
SYSTEM
REGISTER