AT91SAM7S32B-AU Atmel, AT91SAM7S32B-AU Datasheet - Page 204

• 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

25.9.4
Register Name:
Access Type:
• PIDx: Peripheral Clock x Enable
0 = No effect.
1 = Enables the corresponding peripheral clock.
Note:
Note:
25.9.5
Register Name:
Access Type:
• PIDx: Peripheral Clock x Disable
0 = No effect.
1 = Disables the corresponding peripheral clock.
Note:
204
PID31
PID23
PID15
PID31
PID23
PID15
PID7
PID7
31
23
15
31
23
15
7
7
PID2 to PID31 refer to identifiers as defined in the section “Peripheral Identifiers” in the product datasheet.
Programming the control bits of the Peripheral ID that are not implemented has no effect on the behavior of the PMC.
PID2 to PID31 refer to identifiers as defined in the section “Peripheral Identifiers” in the product datasheet.
AT91SAM7S Series Preliminary
PMC Peripheral Clock Enable Register
PMC Peripheral Clock Disable Register
PID30
PID22
PID30
PID22
PID14
PID14
PID6
PID6
30
22
14
30
22
14
PMC_PCER
Write-only
6
PMC_PCDR
Write-only
6
PID29
PID21
PID13
PID29
PID21
PID13
PID5
PID5
29
21
13
29
21
13
5
5
PID28
PID20
PID12
PID28
PID20
PID12
PID4
PID4
28
20
12
28
20
12
4
4
PID27
PID19
PID11
PID27
PID19
PID11
PID3
PID3
27
19
11
27
19
11
3
3
PID26
PID18
PID26
PID18
PID10
PID10
PID2
PID2
26
18
10
26
18
10
2
2
PID25
PID17
PID25
PID17
PID9
PID9
25
17
25
17
9
1
9
1
-
-
6175K–ATARM–30-Aug-10
PID24
PID16
PID24
PID16
PID8
PID8
24
16
24
16
8
0
8
0
-
-