AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 335

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

1: Drives the pin RTS to 1.
30.7.2
Name:
Access Type:
• USART_MODE
• USCLKS: Clock Selection
6120H–ATARM–17-Feb-09
31
23
15
–
–
7
0
0
0
0
0
0
0
0
1
1
0
0
1
1
USART Mode Register
CHMODE
CHRL
USCLKS
30
22
14
US_MR
Read-write
–
–
6
0
0
0
0
1
1
1
1
0
1
0
1
0
1
USART_MODE
DSNACK
29
21
13
–
5
Selected Clock
MCK
MCK/DIV (DIV = 8)
Reserved
SCK
NBSTOP
USCLKS
0
0
1
1
0
0
1
1
0
x
FILTER
INACK
AT91SAM7X512/256/128 Preliminary
28
20
12
4
0
1
0
1
0
1
0
1
0
x
OVER
27
19
11
–
3
Mode of the USART
Normal
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
Reserved
IS07816 Protocol: T = 1
Reserved
IrDA
Reserved
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
MODE9
25
17
9
1
MSBF
SYNC
24
16
8
0
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