Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 657
37. Data sheet revision history
Note that the referring page numbers in this section are referred to this document. The referring revision in this
section are referring to the document revision.
37.1 Rev. A - 10/2018
37.2 Rev. 8272G - 01/2015
37.3 Rev. 8272F - 08/2014
1.
 Updated the data sheet to Microchip style.
 New Microchip document number. Previous version was Atmel data sheet rev. 8272G.
1.
Updated Table 1-2 on page 13, Table 8-1 on page 33, Table 10-1 on page 50, Table 14-3 on page 87, Table 19-4
on page 195, Table 19-11 on page 200 and Table 28-16 on page 336 for formatting consistency errors
2.
Updated ”Ordering information” on page 643:
 Added ordering information for ATmega164PA @105C; ATmega324PA @ 105C; ATmega324PA
@105C; ATmega644PA @ 105C and ATmega1284P @ 105C
3.
Updated the ”Packaging information” on page 651:
 Replaced the drawing ”44M1” on page 653 by a correct package
1.
Updated text in Section 13.2.8 ”PCMSK1 – Pin Change Mask Register 1” on page 78 to: “If PCINT15:8 is set and
the PCIE1 bit in PCICR is set, pin change interrupt is enabled on the corresponding I/O pin.”
2. Corrected description of PAGEMSB in Table 26-9 on page 289. The device has 64 words in a page and not 128.
3.
Corrected description of PAGEMSB in Table 26-12 on page 290. PAGESMB is 5 and the device has 64 words in a
page and not 128. The page require six bits and not seven.
4. Corrected values in Table 26-16 on page 292. PAGEMSB is 6. ZPAGEMSB is Z7 and PCPAGE is Z15:Z8
5. Corrected value for PCPAGE in Table 27-7 on page 298. The correct value is PC[14:7]
6. Updated description in Table 17-2 on page 159 to “Normal port operation, OC2A disconnected.”
7.
Updated Assembly code examples on for ”Watchdog Timer” on page 63. and onwards
“out WDTCSR, r16” changed to “sts WDTCSR, r16”
“in r16, WDTCSR” changed to “lds r16, WDTCSR”
“idi r16, WDTCSR” changed to “lds r16, WDTCSR”
8. Updated addresses 0x65 and 0x64 in Section 32. ”Register summary” on page 636.
9. Removed notes 5 and 6 from Table 28-16 on page 336.
10.
Corrected values in Section 33. ”Instruction set summary” on page 640.Changed clock values for RCALL and
ICALL to 2, for Call, Ret and RETI to 4. Also changed values in Section 7.7.1 ”Interrupt response time” on page
26.
11. Address for reset label and onwards changed in Interrupt Vector Addresses.
12. Updated layout, footer and back page according to template 0205/2014