z8e001 ZiLOG Semiconductor, z8e001 Datasheet - Page 25
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z8e001
Manufacturer Part Number
z8e001
Description
Feature-rich Z8plus One-time Programmable Otp Microcontroller
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8E001.pdf
(46 pages)
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ZiLOG
LC OSCILLATOR
The Z8E001 oscillator can use a LC network to generate a
XTAL clock (Figure 17).
The frequency stays stable over V
oscillation frequency is determined by the equation:
where L is the total inductance including parasitics, and C
is the total series capacitance including parasitics.
Simple series capacitance is calculated using the equation
at the top of the next column.
TIMERS
For the Z8E001, 8-bit timers (T0 and T1) are available to
function as a pair of independent 8-bit standard timers, or
they can be cascaded to function as a 16-bit PWM timer.
DS001101-Z8X0400
Frequency =
OSC/8
T3VAL
2
CC
LC
1
and temperature. The
T
Figure 19. Z8E001 16-Bit Standard Timer
)
1/2
Enable TCTLL0 (D5)
T3AR
16-bit Down Counter
P R E L I M I N A R Y
Internal Data Bus
T
A sample calculation of capacitance C
MHz frequency and inductance value of 27
as follows:
In addition to T0 and T1, extra 8-bit timers (T2 and T3) are
provided, but they can only operate in cascade to function
as a 16-bit standard timer.
T2AR
Thus C 1 = 55.2 pF and C 2 = 55.2 pF.
5.83 (10^6) =
C
1/ C T
If C 1
1/C T
T2VAL
T
C 1
= 27.6 pF
IRQ5 (T23)
=
=
=
=
Z8Plus OTP Microcontroller
1/C
2 C 1
1
2C
C 2
2
+ 1/C 2
¹
T
[2.7 (10
1
and C
µ
1
H is displayed
-6
) C
2
T
for 5.83
Z8E001
]
º
25