AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 433

• 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

33.6
Table 33-2.
Note:
6120H–ATARM–17-Feb-09
Offset
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x4C - 0xFC
0x100 - 0x1FC
0x200 + ch_num * 0x20 + 0x00
0x200 + ch_num * 0x20 + 0x04
0x200 + ch_num * 0x20 + 0x08
0x200 + ch_num * 0x20 + 0x0C
0x200 + ch_num * 0x20 + 0x10
(1)
Pulse Width Modulation Controller (PWM) User Interface
1. Some registers are indexed with “ch_num” index ranging from 0 to X-1.
Register Mapping
Register
PWM Mode Register
PWM Enable Register
PWM Disable Register
PWM Status Register
PWM Interrupt Enable Register
PWM Interrupt Disable Register
PWM Interrupt Mask Register
PWM Interrupt Status Register
Reserved
Reserved
PWM Channel Mode Register
PWM Channel Duty Cycle Register
PWM Channel Period Register
PWM Channel Counter Register
PWM Channel Update Register
AT91SAM7X512/256/128 Preliminary
Name
PWM_MR
PWM_ENA
PWM_DIS
PWM_SR
PWM_IER
PWM_IDR
PWM_IMR
PWM_ISR
PWM_CMR
PWM_CDTY
PWM_CPRD
PWM_CCNT
PWM_CUPD
–
Read-write
Read-write
Read-write
Read-write
Read-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
Write-only
Access
–
Reset
0x0
0x0
0x0
0x0
0
0
0
0
–
-
-
-
-
-
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