AT91SAM7S32B-AU Atmel, AT91SAM7S32B-AU Datasheet - Page 10

• Manufacturer Part Number: AT91SAM7S32B-AU
• Description: IC MCU ARM7 32KB FLASH 48LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32B-AU

• 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
• Cpu Family: 91S
• Device Core: ARM7TDMI
• Device Core Size: 32b
• Frequency (max): 55MHz
• Interface Type: SPI/TWI/USART
• Total Internal Ram Size: 8KB
• # I/os (max): 21
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Package: 48LQFP
• Family Name: AT91
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• 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: -
• Lead Free Status / Rohs Status: Compliant

4.2
Table 4-1.
Note:
10
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
64-lead LQFP and 64-pad QFN Pinout
1. The bottom pad of the QFN package must be connected to ground.
PA17/PGMD5/AD0
PA18/PGMD6/AD1
PA19/PGMD7/AD2
PA20/PGMD8/AD3
AT91SAM7S Series Preliminary
PA22/PGMD10
PA23/PGMD11
PA21/PGMD9
VDDCORE
VDDOUT
ADVREF
VDDIN
GND
AD4
AD5
AD6
AD7
AT91SAM7S512/256/128/64/321/161 Pinout
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PA7/PGMNVALID
PA24/PGMD12
PA25/PGMD13
PA26/PGMD14
PA16/PGMD4
PA15/PGMD3
PA14/PGMD2
PA13/PGMD1
PA12/PGMD0
PA11/PGMM3
PA10/PGMM2
PA9/PGMM1
PA8/PGMM0
VDDCORE
VDDIO
GND
(1)
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
PA4/PGMNCMD
PA27/PGMD15
PA6/PGMNOE
PA5/PGMRDY
PA2/PGMEN2
PA1/PGMEN1
PA0/PGMEN0
VDDIO
NRST
PA28
PA29
PA30
GND
TST
PA3
TDI
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
6175K–ATARM–30-Aug-10
XIN/PGMCK
VDDFLASH
VDDCORE
JTAGSEL
VDDPLL
ERASE
PLLRC
VDDIO
XOUT
PA31
DDM
GND
TDO
TMS
DDP
TCK