MC68HC68 MOTOROLA [Motorola, Inc], MC68HC68 Datasheet - Page 23

• Manufacturer Part Number: MC68HC68
• Description: Real-Time Clock plus RAM with Serial Interface
• Manufacturer: MOTOROLA [Motorola, Inc]

MOTOROLA
NON–RECHARGEABLE
* Actual values may vary, depending on recommendations of crystal manufacturer.
BATTERY
–
0.1
0.1
3.0 V
m
m
+
F
F
Figure 22. Non–Rechargeable Battery–Backup System
R LIMIT
11
1 k
6
5
3
7
4
2
W
13
V BATT
LINE
MISO
MOSI
INT
SS
SCK
CPUR
D BLOCK
MC68HC68T1
16
8
V SS
V DD
12
CLKOUT
XTAL out
XTAL in
V SYS
POR
PSE
10
15
14
1
9
V CC
100 k
10 M
215 k
W
W
W
*
10 pF*
32.768
kHz
0.1
39 pF*
m
F
MC68HC68T1
23