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参数资料
| 型号： | MB91F482PMC-GE1 |
| 厂商： | Fujitsu Semiconductor America Inc |
| 文件页数： | 91/94页 |
| 文件大小： | 0K |
| 描述： | IC MCU 256KB FLASH 100-LQFP |
| 标准包装： | 1 |
| 系列： | FR MB91480 |
| 核心处理器： | FR60 RISC |
| 芯体尺寸： | 32-位 |
| 速度： | 80MHz |
| 连通性： | I²C，FIFO，SIO |
| 外围设备： | DMA，PWM，WDT |
| 输入/输出数： | 77 |
| 程序存储器容量： | 256KB（256K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 16K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 4 V ~ 5.5 V |
| 数据转换器： | A/D 14x8/10b |
| 振荡器型： | 外部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 100-LQFP |
| 包装： | 托盘 |
| 其它名称： | 865-1097 |
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93
32015G–AVR32–09/09
AT32AP7001
11.4
Product Dependencies
11.4.1
I/O Lines
The PM provides a number of generic clock outputs, which can be connected to output pins,
multiplexed with PIO lines. The programmer must first program the PIO controller to assign
these pins to their peripheral function. If the I/O pins of the PM are not used by the application,
they can be used for other purposes by the PIO controller.
The PM also has a dedicated WAKE_N pin, as well as a number of pins for oscillators and
PLL’s, which do not require the PIO controller to be programmed.
11.4.2
Interrupt
The PM interrupt line is connected to one of the internal sources of the interrupt controller. Using
the PM interrupt requires the interrupt controller to be programmed first.
11.5
Functional Description
11.5.1
Oscillator 0 and 1 operation
The two main oscillators are designed to be used with an external high frequency crystal, as
shown in Figure 11-1. See Electrical Characteristics for the allowed frequency range. The main
oscillators are enabled by default after reset, and are only switched off in sleep modes, as
described in Section 11.5.6 on page 99. After a power-on reset, or when waking up from a sleep
mode that disabled the main oscillators, the oscillators need 128 slow clock cycles to stabilize on
the correct frequency. (1) The PM masks the main oscillator outputs during this start-up period, to
ensure that no unstable clocks propagate to the digital logic.
The oscillators can be bypassed by pulling the OSCEN_N pin high. This disables the oscillators,
and an external clock must be applied on XIN. No start-up time applies to this clock.
Figure 11-1. Oscillator connections
11.5.2
32 KHz oscillator operation
The 32 KHz oscillator operates similarly to Oscillator 0 and 1 described above, and is used to
generate the slow clock in the device. A 32768 Hz crystal must be connected between XIN32
and XOUT32 as shown in Figure 11-1. The 32 KHz oscillator is is an ultra-low power design, and
remains enabled in all sleep modes except static mode, as described in Section 11.5.6 on page
1. When waking up from Stop mode using external interrupts, the startup time is 32768 slow clock
cycles.
XIN
XO U T
C 2
C 1
T y p. v a lues: C 2 = C 2 = 22 pF
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