AT91SAM7S32-AU-001 Atmel, AT91SAM7S32-AU-001 Datasheet - Page 202

• Manufacturer Part Number: AT91SAM7S32-AU-001
• Description: IC ARM7 MCU 32BIT 32K 48LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32-AU-001

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART
• Peripherals: Brown-out Detect/Reset, 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: AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S32-AU001

25.9.2
Register Name:
Access Type:
• PCK: Processor Clock Disable
0 = No effect.
1 = Disables the Processor clock. This is used to enter the processor in Idle Mode.
• UDP: USB Device Port Clock Disable
0 = No effect.
1 = Disables the 48 MHz clock of the USB Device Port.
(Does not pertain to AT91SAM7S32/16.)
• PCKx: Programmable Clock x Output Disable
0 = No effect.
1 = Disables the corresponding Programmable Clock output.
202
UDP
31
23
15
–
–
–
7
AT91SAM7S Series Preliminary
PMC System Clock Disable Register
30
22
14
PMC_SCDR
Write-only
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
–
3
PCK2
26
18
10
–
–
2
–
PCK1
25
17
–
–
–
9
1
6175K–ATARM–30-Aug-10
PCK0
PCK
24
16
–
–
8
0