SAM7S256_14 Datasheet, PDF (761/775 Pages) ATMEL Corporation – ARM-based Flash MCU

Version
6175F
Comments (Continued)
TC, Table 32-1, “Timer Counter Clock Assignment,” on page 389 has been added.
Section 32.5.4 ”External Event/Trigger Conditions” TIOB defined as external event signal..... updated
”EEVT: External Event Selection” page 412, TIOB chosen as external event signal..... updated in footnote
TWI, ”Two-wire Interface (TWI) User Interface” page 294, UNRE and OVRE bit fields removed from TWI
Status and Interrupt register tables.
UDP, Figure 34-2 on page 446 updated,
Section 34.4.1 ”USB Device Transceiver” and Section 34.4.2 ”VBUS Monitoring” page 446 added.
Section 34.5.1.2 ”USB Bus Transactions” updated
Section 34.5.1.3 ”USB Transfer Event Definitions” updated with endpoint information.
Section 34.5.2.2 ”Data IN Transaction” Endpoint use updated.
Section 34.5.2 ”Handling Transactions with USB V2.0 Device Peripheral” page 450, Section reworked,
warnings added.
Section 34.5.3 ”Controlling Device States” page 458, Section reworked and Section 34.5.3.1 ”Not
Powered State” and Section 34.5.3.2 ”Entering Attached State” page 459 added.
Section 34.6 ”USB Device Port (UDP) User Interface”
Section 34.6.2 ”UDP Global State Register” page 464,updated.
Section 34.6.10 ”UDP Endpoint Control and Status Register” page 473, updated
Corrections, improvements, additions and deletions throughout section, new source document.
Section Section 34.5.3.8 ”Sending a Device Remote Wakeup” replaces title: “Sending an External
Resume”.
WAKEUP bit shown in interrupt registers:Section 34.6.4 on page 466 thru Section 34.6.8 on page 471.
RMWUPE, RSMINPR, ESR bits removed from Section 34.6.2 ”UDP Global State Register”.
NOTE: pertinent to USB pullup effect on USB Reset added to Section 34.6.12 ”UDP Transceiver Control
Register”.
USART, Section 30.6.7 ”AT91SAM7S512/256/128/64/321 Modem Mode”change to: The control of DTR
output.... RTS output pin.....
Section 30.6.4.1 ”ISO7816 Mode Overview”PAR bit usage
Section 30.6.3 ”Synchronous and Asynchronous Modes” Manchester Encoder/Decoder feature removed
Section 30.5.1 ”I/O Lines”TXD line information added
Section 30.6.1.3 ”AT91SAM7S512/256/128 Fractional Baud Rate in Asynchronous Mode”USART
“functional mode” changed to “normal mode”
Table 30-3 and Table 30-4 on page 312 Di and Fi references corrected in titles.
Figure 30-27 ”IrDA Demodulator Operations” page 328, Figure modified.
Table 30-2, “Baud Rate Example (OVER = 0)last two lines of table removed.
Section 30.6.3.2 ”Asynchronous Receiver” change to second sentence in fourth paragraph, “For the
synchronization mechanism.....”
Section 30.6.3.8 ”Receiver Time-out” list of user options rewritten.
Section 30.7.1 ”USART Control Register” STTTO bit function related to TIMEOUT in US_CSR register.
Section 30.7.6 ”USART Channel Status Register” TIMEOUT bit function related to STTTO in US_CR
register.
Change
Request
Ref.
#2470
#2704
#2470
source file
update
3288
#1770
#1552
#2748
#2794 &
rfo review
#2942
#3023
WDT, WV changed to WDV in Section 17.2 ”Block Diagram” and in Section 17.3 ”Functional Description”
and 6th and 7th paragraph rewritten on page 112 beginning with “To prevent a software deadlock....”
#3002
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
761