Interrupts may be lost when writing the " />
參數(shù)資料
型號(hào): PCA9675DB,112
廠商: NXP Semiconductors
文件頁(yè)數(shù): 18/29頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24SSOP
產(chǎn)品培訓(xùn)模塊: LED Controllers
標(biāo)準(zhǔn)包裝: 59
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 1MHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOP
包裝: 管件
包括: POR
其它名稱: 568-4202-5
935283229112
PCA9675DB
25
2570NS–AVR–05/11
ATmega325/3250/645/6450
11.2.3
ATmega3250 Rev. A
Interrupts may be lost when writing the timer registers in the asynchronous timer
1.
Interrupts may be lost when writing the timer registers in the asynchronous timer
The interrupt will be lost if a timer register that is synchronous timer clock is written when the
asynchronous Timer/Counter register (TCNTx) is 0x00.
Problem Fix/ Workaround
Always check that the asynchronous Timer/Counter register neither have the value 0xFF nor
0x00 before writing to the asynchronous Timer Control Register (TCCRx), asynchronous
Timer Counter Register (TCNTx), or asynchronous Output Compare Register (OCRx).
11.3
Errata ATmega645
The revision letter in this section refers to the revision of the ATmega645 device.
11.3.1
ATmega645 Rev. A
Interrupts may be lost when writing the timer registers in the asynchronous timer
1.
Interrupts may be lost when writing the timer registers in the asynchronous timer
The interrupt will be lost if a timer register that is synchronous timer clock is written when the
asynchronous Timer/Counter register (TCNTx) is 0x00.
Problem Fix/ Workaround
Always check that the asynchronous Timer/Counter register neither have the value 0xFF nor
0x00 before writing to the asynchronous Timer Control Register (TCCRx), asynchronous
Timer Counter Register (TCNTx), or asynchronous Output Compare Register (OCRx).
11.4
Errata ATmega6450
The revision letter in this section refers to the revision of the ATmega6450 device.
11.4.1
ATmega6450 Rev. A
Interrupts may be lost when writing the timer registers in the asynchronous timer
1.
Interrupts may be lost when writing the timer registers in the asynchronous timer
The interrupt will be lost if a timer register that is synchronous timer clock is written when the
asynchronous Timer/Counter register (TCNTx) is 0x00.
Problem Fix/ Workaround
Always check that the asynchronous Timer/Counter register neither have the value 0xFF nor
0x00 before writing to the asynchronous Timer Control Register (TCCRx), asynchronous
Timer Counter Register (TCNTx), or asynchronous Output Compare Register (OCRx).
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