參數(shù)資料
型號: MD83C154DCXXX-25P883D
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CDIP40
文件頁數(shù): 41/143頁
文件大?。?/td> 4602K
代理商: MD83C154DCXXX-25P883D
135
XMEGA A3BU [DATASHEET]
8362F–AVR–02/2013
Problem fix/Workaround
None, avoid running at low frequenices and use higher frequnecies in compination with sleep modes where
possible.
Figure 39-1. Current consumption increase vs. VCC voltage and CPU clock frequency
8.
USB Transfer Complete interrupt generated for each IN packet in Multipacket Mode
When multipacket is used, a Transfer Complete interrupt will be generated for each IN packet transferred on USB
line instead of just at the end of the multipacket transfer.
Problem fix/Workaround
Ignore interrupt until multipacket is complete.
9.
Disabling the USART transmitter does not automatically set the TxD pin direction to input
If the USART transmitter is idle with no frames to transmit, setting TXEN to zero will not automatically set the TxD
pin direction to input.
Problem fix/Workaround
The TxD pin direction can be set to input using the Port DIR register. Using Port DIR register to set direction to
input only will be immediate and ongoing transmissions will be truncated.
10. AWeX PWM output after fault restarted with wrong values
When recovering from fault state, the PWM output will drive wrong values to the port for up to 2x CLKPER + 1
CLKPER4 cycles.
Problem fix/Workaround
If the glitch can not be tolerated or not filtered out by external components the following sequence can be used in
Latched Mode for restaring without glitch:
1.8V
2.2V
2.7V
3.0V
3.3V
3.6V
0
500
1000
1500
2000
2500
3000
3500
02
46
8
10
12
14
Frequency (MHz)
C
u
rre
n
tc
o
n
s
um
pt
ion
(
A
)
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