cxp86460 Sony Electronics, cxp86460 Datasheet - Page 15

• Manufacturer Part Number: cxp86460
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

AC Characteristics
(1) Clock timing
∗
Fig. 1. Clock timing
Fig.2. Clock applied conditions
Fig. 3. Event count 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”)
EXTAL
TEX
EC
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
,
,
,
,
,
,
C
2
t
XH
XTAL
EXTAL
EXTAL
EXTAL
EC
EC
TEX
TX
TEX
TEX
t
t
EH
TH
Pins
EXTAL
External clock
(Ta = –20 to +75°C, V
– 15 –
1/fc
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
74HC04
t
CF
DD
t
t
XTAL
EF
TF
= 2.7 to 5.5 V
Conditions
CXP86212/86216, CXP86324/86332, CXP86440/86448/86460
t
XL
32kHz clock applied condition
Crystal oscillation
t
t
EL
TL
C
DD
1
TEX
= 4.5 to 5.5V, Vss = 0V reference)
4
t
Min.
sys ∗
28
10
8
t
CR
1
t
t
ER
TR
TX
32.768
0.4V
V
Typ.
DD
C
0.8V
0.2V
2
– 0.4V
DD
DD
Max
200
16
20
20
MHz
Unit
kHz
ms
ms
ns
ns
ns
µs