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SDA 6000
PRELIMINARY DATA SHEET
Version 2.1
Peripherals
7 - 7
Micronas
In addition, T3OTL can be used in conjunction with the timer over/underflows as an input
for the counter function or as a trigger source for the reload function of the auxiliary
timers T2 and T4. For this purpose, the state of T3OTL does not have to be available at
any port pin, because an internal connection is provided for this option.
Timer 3 in Timer Mode
Timer mode for the core timer T3 is selected by setting bit field T3M in register T3CON
to ‘000
B
’.
In this mode, T3 is clocked with the system clock
f
hw_clk
divided by a programmable
prescaler, which is controlled by bit field T3I and BPS1. The input frequency
f
T3
for timer
T3 and its resolution
r
T3
are scaled linearly with lower module clock frequencies, as can
be seen from the following formula:
Table 7-2
gives an overview for timer resolutions depending on prescaler factors.
This formula also applies to the Gated Timer Mode of T3 and to the auxiliary timers T2
and T4 in timer and gated timer mode.
Table 7-2
f
MOD
=
33.33 MHz
Timer Input Selection T2I / T3I / T4I
000
B
000
B
001
B
010
B
011
B
100
B
101
B
110
B
111
B
FM =
1
0
0
0
0
0
0
0
0
Prescaler factor
4
8
16
32
64
128
256
512
1024
Input Frequency
2.08
MHz
4.16
MHz
2.08
MHz
1.04
MHz
521.83
kHz
260.41
kHz
130.20
kHz
65.10
kHz
32.55
kHz
Resolution
120
ns
240
ns
480
ns
960
ns
1.92
←
s
3.84
←
s
7.68
←
s
15.36
←
s
30.72
←
s
Period
7.86
ms
15.72
ms
31.45
ms
62.91
ms
125.82
ms
251.6
ms
503
ms
1
s
2.01
s
f
T3
=
f
hw_clk
BPS1
⌠
2
<T3I>
r
T3
[ms] =
f
hw_clk
[MHz]
BPS1
⌠
2
<T3I>
Содержание SDA 6000
Страница 3: ...Contents Overview...
Страница 21: ...Pin Description...
Страница 22: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Pin Descriptions 2 3 Micronas 2 Pin Descriptions...
Страница 29: ...Architectural Overview...
Страница 33: ...C16X Microcontroller...
Страница 34: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 C16X Microcontroller 4 3 Micronas 4 C16X Microcontroller...
Страница 88: ...Interrupt and Trap Function...
Страница 122: ...System Control Configuration...
Страница 159: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 System Control Configuration 6 40 Micronas...
Страница 160: ...Peripherals...
Страница 282: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Peripherals 7 124 Micronas...
Страница 283: ...Clock System...
Страница 284: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 3 Micronas 8 Clock System...
Страница 288: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 8 Micronas...
Страница 289: ...Sync System...
Страница 290: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Sync System 9 3 Micronas 9 Sync System...
Страница 301: ...Display Generator...
Страница 302: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 3 Micronas 10 Display Generator...
Страница 348: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 50 Micronas...
Страница 349: ...D A Converter...
Страница 352: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 D A Converter 11 6 Micronas...
Страница 353: ...Slicer and Acquisition...
Страница 354: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Slicer and Acquisition 12 3 Micronas 12 Slicer and Acquisition...
Страница 381: ...Register Overview...
Страница 398: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Register Overview 13 20 Micronas...
Страница 399: ...Elelctrical Characteristics...
Страница 400: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 3 Micronas 14 Electrical Characteristics...
Страница 411: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 14 Micronas...