CXP86608 SONY [Sony Corporation], CXP86608 Datasheet - Page 15

• Manufacturer Part Number: CXP86608
• Description: CMOS 8-bit Single Chip Microcomputer
• Manufacturer: SONY [Sony Corporation]

AC Characteristics
(1) Clock timing
1
System clock frequency
System clock input pulse width
System clock input rise and fall
times
Event count input clock pulse
width
Event count input clock rise and
fall times
System clock frequency
Event count input clock input
pulse width
Event count input clock rise and
fall times
Indicates three values according to the contents of the clock control register (CLC: 00FEh) upper 2 bits (CPU
clock selection).
t
sys [ns] = 2000/fc (Upper 2 bits = "00"), 4000/fc (Upper 2 bits = "01"), 16000/fc (Upper 2 bits = "11")
TEX
EC
EXTAL
Item
C
Crystal oscillation
Ceramic oscillation
EXTAL
1
XTAL
Symbol
f
t
t
t
t
t
t
t
t
f
t
t
t
t
C
C
XL
XH
CR
CF
EH
EL
ER
EF
TL
TH
TR
TF
Fig. 3. Event count clock timing
,
Fig.2. Clock applied conditions
,
C
,
,
,
,
2
t
t
t
Fig. 1. Clock timing
XTAL
EXTAL
EXTAL
EXTAL
EC
EC
TEX
TX
TEX
TEX
EH
TH
XH
Pins
EXTAL
External clock
(Ta = –20 to +75°C, V
– 15 –
74HC04
Fig. 1, Fig. 2
Fig. 1, Fig. 2
External clock drive
Fig. 1, Fig. 2
External clock drive
Fig. 3
Fig. 3
V
Fig. 2 (32kHz clock
applied conditions)
Fig. 3
Fig. 3
1/fc
t
t
DD
t
EF
TF
XTAL
CF
Conditions
= 2.7 to 5.5V
32kHz clock applied condition
Crystal oscillation
t
t
t
EL
TL
XL
C
1
TEX
DD
= 4.5 to 5.5V, Vss = 0V reference)
4
t
Min.
sys
28
10
8
t
t
t
ER
TR
CR
TX
1
C
0.2V
0.8V
V
0.4V
32.768
2
DD
Typ.
DD
DD
– 0.4V
CXP86608/86612/86616
Max.
200
16
20
20
MHz
Unit
kHz
ms
ms
ns
ns
ns
µs