參數(shù)資料
型號: A42MX16-2CQ100A
廠商: Electronic Theatre Controls, Inc.
英文描述: 40MX and 42MX FPGA Families
中文描述: 40MX和42MX FPGA系列
文件頁數(shù): 116/120頁
文件大小: 854K
代理商: A42MX16-2CQ100A
95
4958B–AUTO–11/10
Atmel ATA6285/ATA6286 [Preliminary]
3.13.6
Timer2 Modes
3.13.6.1
Mode 1: Timer/Counter Mode
The Timer2/Counter2 can be supplied with internal/external clocks. In mode 1 the Timer2 does
not use any modulator I/O pins (T2O1; T2O2, SDIN) it works as interval timer. The port pins
(PD5, PD6, PD7) can be used as general digital I/O’s. The Figure 3-37 shows an example of the
Timer/Counter mode.
Figure 3-37. Timer/Counter Mode, Timing Diagram
3.13.6.2
Mode 2: Toggle Mode with Modulator Output T2O1 at the PD5 Pin
The Timer2/Counter2 can be supplied with internal/external clocks. Mode 2 uses only one mod-
ulator I/O pin (M2 --> T2O1) to built a waveform generator. The port pins (PD6, PD7) can be
used as general digital I/O. The Figure 3-38 shows an example of the Toggle mode.
Figure 3-38. Toggle Mode and Modulator Output at the T2O1 Pin, Timing Diagram
T2E
T2CNT
CLK
T2
T2COM
T2COR
CL2
2
12
01
2
0
12
0
10
0
12
0
T2E
T2CNT
CLK
T2
T2COM
T2O1
T2COR
CL2
01
2
012
2
00
12
0
1
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