參數(shù)資料
型號(hào): ADUC7026BST62
廠商: ANALOG DEVICES INC
元件分類: 微控制器/微處理器
英文描述: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
中文描述: 32-BIT, FLASH, 45.5 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, LQFP-80
文件頁(yè)數(shù): 68/80頁(yè)
文件大小: 840K
代理商: ADUC7026BST62
ADuC702x Series
Preliminary Technical Data
Rev. PrB | Page 68 of 80
bit unsigned integers. T1VAL and T1CAP are read-only.
-
T1CLRI
is an 8-bit register. Writing any value to this register
will clear the timer1 interrupt.
-
T1CON
is the configuration MMR described in Table 61
below.
Prescaler
/ 1, 16, 256
or 32768
32kHz Oscillator
Core Clock Frequency
P0.6
P1.0
Timer1IRQ
32-bit Up/Down Counter
32-bit Load
Capture
IRQ[31:0]
Timer1 Value
ADC conversion
Figure 29:timer 1 block diagram
Table 61: T1CON MMR Bit Descriptions
Bit
31-18
17
Description
Reserved
Event Select bit:
Set
by user to enable time capture of an event
Cleared
by user to disable time capture of an event
Event select range, 0 to 31
The events are as described in
Table 58
. All events are offset by 2, i.e. event 2 in
Table 58
becomes event zero for the
purposes of timer 1.
Clock select:
000
Core clock
001
Oscillator 32.768kHz
010
P1.0 raising edge triggered
011
P0.6 raising edge triggered
Count up:
Set
by user for timer 1 to count up
Cleared
by user for timer 1 to count down. by default
Timer1 enable bit:
Set by user to enable timer 1
Cleared by user to disable timer 1. by default.
Timer 1 mode:
Set by user to operate in periodic mode
Cleared by user to operate in free-running mode. Default mode
Format:
00
Binary
01
Reserved
10
Hr:Min:Sec:Hundredths – 23 hours to 0 hour
11
Hr:Min:Sec:Hundredths – 255 hours to 0 hour
Prescale:
0000
Source clock / 1
0100
Source clock / 16
1000
Source clock / 256
1111
Source clock / 32768
16-12
11-9
8
7
6
5-4
3-0
Timer2 - Wake-Up Timer
Timer2 is a 32-bit wake-up timer, count-down or count-up,
with a programmable prescaler. It is clocked directly by the
internal 32.768kHz oscillator. The wake-up timer will continue
to run when the core clock is disabled. The clock source can be
scaled by a factor of 1, 16, 256 or 32768.
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