參數(shù)資料
型號(hào): ATTINY15L-1PU
廠商: Atmel
文件頁(yè)數(shù): 26/85頁(yè)
文件大?。?/td> 0K
描述: IC MCU AVR 1K FLASH 1.6MHZ 8-DIP
標(biāo)準(zhǔn)包裝: 50
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 1.6MHz
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 6
程序存儲(chǔ)器容量: 1KB(512 x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 64 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-DIP(0.300",7.62mm)
包裝: 管件
32
ATtiny15L
1187H–AVR–09/07
Figure 22. Effects of Unsynchronized OCR Latching
During the time between the write and the latch operation, a read from OCR1A will read
the contents of the temporary location. This means that the most recently written value
always will read out of OCR1A.
When OCR1A contains $00 or the top value, as specified in OCR1B Register, the output
PB1(OC1A) is held low or high according to the settings of COM1A1/COM1A0. This is
shown in Table 13.
Timer/Counter1 Output
Compare RegisterB – OCR1B
The Output Compare Register1 (OCR1B) is an 8-bit read/write register. This register is
used in the PWM mode only, and it limits the top value to which the Timer/Counter1
keeps counting. After reaching OCR1B in PWM mode, the counter starts from $00.
In PWM mode, the Timer Overflow Flag (TOV1) is set as in normal Timer/Counter
mode. Timer Overflow Interrupt1 operates exactly as in normal Timer/Counter mode,
i.e., it is executed when TOV1 is set provided that Timer Overflow Interrupt and global
interrupts are enabled. This also applies to the Timer Output Compare A Flag and
interrupt.
PWM Output OC1A
Unsynchronized OC1A Latch
Synchronized OC1A Latch
Counter Value
Compare Value
Counter Value
Compare Value
Compare Value Changes
Glitch
Compare Value Changes
Bit
7
6
543
210
$2D
MSB
LSB
OCR1B
Read/Write
R/W
Initial Value
1
Table 13. PWM Outputs when OCR1A = $00 or OCR1B
COM1A1
COM1A0
OCR1B
Output PWMn
10
$00
L
1
0
OCR1B
H
11
$00
H
1
OCR1B
L
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