参数资料
型号: MC9RS08KA1CDBR
厂商: Freescale Semiconductor
文件页数: 120/136页
文件大小: 0K
描述: IC CPU RS08 1K FLASH 62RAM 6-DFN
产品培训模块: USBSpyder08 Discovery Kit
MC9RS08KA8 Microcontroller
标准包装: 2,500
系列: RS08
核心处理器: RS08
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,WDT
输入/输出数: 2
程序存储器容量: 1KB(1K x 8)
程序存储器类型: 闪存
RAM 容量: 63 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 6-VDFN 裸露焊盘
包装: 带卷 (TR)
Analog Comparator (RS08ACMPV1)
MC9RS08KA2 Series Data Sheet, Rev. 4
84
Freescale Semiconductor
10.1.1
Features
The ACMP has the following features:
Full rail-to-rail supply operation
Less than 40 mV of input offset
Less than 15 mV of hysteresis
Selectable interrupt on rising edge, falling edge, or either rising or falling edges of comparator
output
Option to compare to fixed internal bandgap reference voltage
Option to allow comparator output to be visible on a pin, ACMPO
Remains operational in stop mode
10.1.2
Modes of Operation
This section defines the ACMP operation in wait, stop, and background debug modes.
10.1.2.1
Operation in Wait Mode
The ACMP continues to operate in wait mode if enabled before executing the WAIT instruction.
Therefore, the ACMP can be used to bring the MCU out of wait mode if the ACMP interrupt is enabled
(ACIE = 1). For lowest possible current consumption, the ACMP should be disabled by software if not
required as an interrupt source during wait mode.
10.1.2.2
Operation in Stop Mode
The ACMP continues to operate in stop mode if enabled and compare operation remains active. If ACOPE
is enabled, comparator output operates as in the normal operating mode and comparator output is placed
onto the external pin. The MCU is brought out of stop when a compare event occurs and ACIE is enabled;
ACF flag sets accordingly.
If stop is exited with a reset, the ACMP will be put into its reset state.
10.1.2.3
Operation in Active Background Mode
When the MCU is in active background mode, the ACMP will continue to operate normally.
10.1.3
Block Diagram
The block diagram for the analog comparator module is shown in Figure 10-2.
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