AT32AP7002-CTUT Atmel, AT32AP7002-CTUT Datasheet - Page 409
AT32AP7002-CTUT
Manufacturer Part Number
AT32AP7002-CTUT
Description
IC MCU 32BIT AVR32 196-CBGA
Manufacturer
Atmel
Series
AVR®32 AP7r
Specifications of AT32AP7002-CTUT
Core Processor
AVR
Core Size
32-Bit
Speed
150MHz
Connectivity
EBI/EMI, I²C, MMC, PS2, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, I²C, LCD, POR, PWM, WDT
Number Of I /o
85
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
D/A 2x16b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
196-CBGA
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
I2C, JTAG, PS2, SPI, SSC, UART, USART, USB
Maximum Clock Frequency
150 MHz
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Dac
16 bit, 2 Channel
Package
196CTBGA
Device Core
AVR32
Family Name
AT32
Maximum Speed
150 MHz
Operating Supply Voltage
1.8|3.3 V
For Use With
ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATNGW100 - KIT AVR32 NETWORK GATEWAYATSTK1000 - KIT STARTER FOR AVR32AP7000
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
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Figure 24-28. Receiver Behavior when Operating with Hardware Handshaking
Figure 24-29. Transmitter Behavior when Operating with Hardware Handshaking
24.7.4
24.7.4.1
32054F–AVR32–09/09
RXBUFF
US_CR
Write
RXD
RTS
ISO7816 Mode
RXEN = 1
ISO7816 Mode Overview
Setting the USART to operate with hardware handshaking is performed by writing the MODE
field in the Mode Register (MR) to the value 0x2.
The USART behavior when hardware handshaking is enabled is the same as the behavior in
standard synchronous or asynchronous mode, except that the receiver drives the RTS pin as
described below and the level on the CTS pin modifies the behavior of the transmitter as
described below. Using this mode requires using the PDC channel for reception. The transmitter
can handle hardware handshaking in any case.
Figure 24-28
pin is driven high if the receiver is disabled and if the status RXBUFF (Receive Buffer Full) com-
ing from the PDC channel is high. Normally, the remote device does not start transmitting while
its CTS pin (driven by RTS) is high. As soon as the Receiver is enabled, the RTS falls, indicating
to the remote device that it can start transmitting. Defining a new buffer to the PDC clears the
status bit RXBUFF and, as a result, asserts the pin RTS low.
Figure 24-29
pin disables the transmitter. If a character is being processing, the transmitter is disabled only
after the completion of the current character and transmission of the next character happens as
soon as the pin CTS falls.
The USART features an ISO7816-compatible operating mode. This mode permits interfacing
with smart cards and Security Access Modules (SAM) communicating through an ISO7816 link.
Both T = 0 and T = 1 protocols defined by the ISO7816 specification are supported.
Setting the USART in ISO7816 mode is performed by writing the MODE field in the Mode Regis-
ter (MR) to the value 0x4 for protocol T = 0 and to the value 0x5 for protocol T = 1.
The ISO7816 is a half duplex communication on only one bidirectional line. The baud rate is
determined by a division of the clock provided to the remote device (see
on page
CTS
TXD
388).
shows how the transmitter operates if hardware handshaking is enabled. The CTS
shows how the receiver operates if hardware handshaking is enabled. The RTS
AT32AP7002
RXDIS = 1
”Baud Rate Generator”
409
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