參數(shù)資料
型號: IT80C52XXX-16SHXXX
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
文件頁數(shù): 30/81頁
文件大小: 663K
代理商: IT80C52XXX-16SHXXX
36
ATtiny28L/V
1062F–AVR–07/06
Bits 2, 1, 0 – CS02, CS01, CS00: Clock Select0, Bits 2, 1 and 0
The Clock Select0 bits 2, 1 and 0 define the prescaling source of Timer/Counter0.
The Stop condition provides a Timer Enable/Disable function. The CK down divided
modes are scaled directly from the CK oscillator clock. If the external pin modes are
used for Timer/Counter0, transitions on PB2/(T0) will clock the counter even if the pin is
configured as an output. This feature can give the user software control of the counting.
Timer Counter 0 – TCNT0
The Timer/Counter0 is realized as an up-counter with read and write access. If the
Timer/Counter0 is written and a clock source is present, the Timer/Counter0 continues
counting in the timer clock cycle following the write operation.
Table 14. Clock 0 Prescale Select
CS02
CS01
CS00
Description
0
Stop, the Timer/Counter0 is stopped.
00
1
CK
0
1
0
Modulator Period
01
1
CK/64
10
0
CK/256
1
0
1
CK/1024
1
0
External Pin T0, falling edge
1
External Pin T0, rising edge
Bit
7654
321
0
$03
MSB
LSB
TCNT0
Read/Write
R/W
Initial Value
0000
000
0
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