AT91SAM7S161-AU Atmel, AT91SAM7S161-AU Datasheet - Page 207
AT91SAM7S161-AU
Manufacturer Part Number
AT91SAM7S161-AU
Description
IC MCU ARM7 16KB FLASH 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S161-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
4K 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
64-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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S161-AU
Manufacturer:
NXP
Quantity:
3
- Current page: 207 of 779
- Download datasheet (11Mb)
25.9.8
Register Name:
Access Type:
• MAINF: Main Clock Frequency
Gives the number of Main Clock cycles within 16 Slow Clock periods.
• MAINRDY: Main Clock Ready
0 = MAINF value is not valid or the Main Oscillator is disabled.
1 = The Main Oscillator has been enabled previously and MAINF value is available.
6175K–ATARM–30-Aug-10
31
23
15
–
–
7
PMC Clock Generator Main Clock Frequency Register
30
22
14
CKGR_MCFR
Read-only
–
–
6
29
21
13
–
–
5
28
20
12
–
–
4
MAINF
MAINF
AT91SAM7S Series Preliminary
27
19
11
–
–
3
26
18
10
–
–
2
25
17
–
–
9
1
MAINRDY
24
16
–
8
0
207
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