AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 92

• 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

17.2
Table 17-1.
17.2.1
Register Name:
Access Type:
• PSTDBY: Periodic Interval Value
0 = Voltage regulator in normal mode.
1 = Voltage regulator in standby mode (low-power mode).
92
Offset
0x60
31
23
15
–
–
–
7
–
Voltage Regulator Power Controller (VREG) User Interface
AT91SAM7X512/256/128 Preliminary
Voltage Regulator Mode Register
Register Mapping
Register
Voltage Regulator Mode Register
30
22
14
VREG_MR
Read-write
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Name
VREG_MR
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
Read-write
Access
25
17
–
–
9
–
1
–
6120H–ATARM–17-Feb-09
Reset Value
0x0
PSTDBY
24
16
–
–
8
–
0