參數(shù)資料
型號(hào)： EFM32TG222F32
廠商： Energy Micro
文件頁數(shù)： 127/136頁
文件大?。?/td> 0K
描述： IC MCU 32BIT 32KB FLASH 48LQFP
特色產(chǎn)品： EFM32 Tiny Gecko
標(biāo)準(zhǔn)包裝： 1
系列： Tiny Gecko
核心處理器： ARM? Cortex?-M3
芯體尺寸： 32-位
速度： 32MHz
連通性： I²C，IrDA，智能卡，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，DMA，I²S，POR，PWM，WDT
輸入/輸出數(shù)： 37
程序存儲(chǔ)器容量： 32KB（32K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x12b，D/A 1x12b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 48-TQFP
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： 914-1029-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
90
www.energymicro.com
Table 4.4. ISER bit assignments
Bits
Name
Function
[31:0]
SETENA
Interrupt set-enable bits.
Write:
0 = no effect1 = enable
interrupt.Read:
0 = interrupt disabled
1 = interrupt enabled.
If a pending interrupt is enabled, the NVIC activates the interrupt based on its priority. If an interrupt is
not enabled, asserting its interrupt signal changes the interrupt state to pending, but the NVIC never
activates the interrupt, regardless of its priority.
4.2.3 Interrupt Clear-enable Registers
The ICER0 and ICER1 registers disable interrupts, and show which interrupts are enabled. See:
the register summary in Table 4.2 (p. 88) for the register attributes
Table 4.3 (p. 89) for which interrupts are controlled by each register.
The bit assignments are:
CLRENA bit s
31
0
Table 4.5. ICER bit assignments
Bits
Name
Function
[31:0]
CLRENA
Interrupt clear-enable bits.
Write:
0 = no effect
1 = disable interrupt.
Read:
0 = interrupt disabled
1 = interrupt enabled.
4.2.4 Interrupt Set-pending Registers
The ISPR0 and ISPR1 registers force interrupts into the pending state, and show which interrupts are
pending. See:
the register summary in Table 4.2 (p. 88) for the register attributes
Table 4.3 (p. 89) for which interrupts are controlled by each register.
The bit assignments are:
SETPEND bit s
31
0
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