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ATMEGA162V-8AU 其他数据使用手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
微控制器
封装:
TQFP-44
描述:
ATmega 系列 8 MHz 16 KB 闪存 1 KB SRAM 8 位 微控制器 - TQFP-44
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ATMEGA162V-8AU数据手册
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2
AVR082
2516D–AVR–01/04
Interrupt Return Fails when
Stack Pointer Addresses the
External Memory
In ATmega162, the Stack Pointer can be placed freely within the Data Memory Address
Space, even in external memory.
Writing UBBRH Affects Both
UART0 and UART1
In ATmega162, each USART has their own UBRRH Register.
Store Program Memory
Instruction May Fail
The SPM instruction in ATmega162 works as expected for all frequencies and voltages
within the specification.
Changes to Names The following control bits have changed names, but have the same functionality and
placement when accessed as in ATmega161:
Note: 1. The Register Summary in ATmega161 names the AS0 bit AS02. It is called AS0 else-
where in that data sheet, as well as everywhere in ATmega162.
The following bits have changed locations, but have the same functionality when
accessed as in ATmega161:
Table 1. Changed Bit Names
(1)
Bit Name in
ATmega161
Bit Name in
ATmega162
I/O Register
(ATmega161) Comments
PWMn(0) WGMn0 TCCRn(A) “A” and “0” in 16-bit timers only
PWMn1 WGMn1 TCCRnA
CTCn WGMn2 TCCRn(B) “B” in16-bit timers only
PSR10 PSR310 SFIOR
WDTOE WDCE WDTCR See “Changes to Watchdog Timer” on page 5.
CHR9n UCSZn2 USCRnB
ORn DORn UCSRnA
Table 2. Changed Bit Locations
Bit Name Register Location in ATmega161 Location in ATmega162
TOIE2 TIMSK Bit 4 Bit 2
OCIE2 TIMSK Bit 2 Bit 4
TOV2 TIFR Bit 4 Bit 2
OCF2 TIFR Bit 2 Bit 4
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