AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 307
AT91SAM7S32-AU-999
Manufacturer Part Number
AT91SAM7S32-AU-999
Description
IC MCU ARM7 32KB FLASH 48LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S32-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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29.7.2
Register Name:
Address Type:
• IADRSZ: Internal Device Address Size
Table 29-5.
• MREAD: Master Read Direction
0 = Master write direction.
1 = Master read direction.
• DADR: Device Address
The device address is used to access slave devices in read or write mode.
6175K–ATARM–30-Aug-10
31
23
15
–
–
–
7
–
0
0
1
1
IADRSZ[9:8]
TWI Master Mode Register
30
22
14
TWI_MMR
Read-write
–
–
6
–
0
1
0
1
No internal device address (Byte command protocol)
One-byte internal device address
Two-byte internal device address
Three-byte internal device address
29
21
13
–
–
5
–
MREAD
28
20
12
–
4
–
AT91SAM7S Series Preliminary
DADR
27
19
11
–
–
3
–
26
18
10
–
–
2
–
25
17
–
9
1
–
IADRSZ
24
16
–
8
0
–
307
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