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Z8F012APB020SC 参数 Datasheet PDF下载

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型号: Z8F012APB020SC
PDF下载: 下载PDF文件 查看货源
内容描述: Z8喝采XP -R 4K系列高性能8位微控制器 [Z8 Encore XP-R 4K Series High-Performance 8-Bit Microcontrollers]
分类和应用: 微控制器外围集成电路光电二极管时钟
文件页数/大小: 276 页 / 3422 K
品牌: ZILOG [ ZILOG, INC. ]
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Z8 Encore! XP® 4K Series  
Product Specification  
40  
Table 16. Port Alternate Function Mapping (8-Pin Parts) (Continued)  
Alternate  
Function Select  
Alternate Function Description Register AFS1  
Alternate  
FunctionSelect  
Register AFS2  
Port  
Pin  
Mnemonic  
Reserved  
AFS2[5]: 1  
AFS1[5]: 0  
Port A  
(Cont)  
Analog Functions* ADC/Comparator Input (P) LPO AFS2[5]: 1  
Output  
AFS1[5]: 1  
* Analog Functions include ADC inputs, ADC reference, comparator inputs and LPO ports.  
Note: Also, alternate function selection as described in Port A–D Alternate Function Sub-Registers on page 42  
must be enabled.  
GPIO Interrupts  
Many of the GPIO port pins can be used as interrupt sources. Some port pins can be con-  
figured to generate an interrupt request on either the rising edge or falling edge of the pin  
input signal. Other port pin interrupt sources generate an interrupt when any edge occurs  
(both rising and falling). Refer to the chapter Interrupt Controller on page 50 for more  
information about interrupts using the GPIO pins.  
GPIO Control Register Definitions  
Four registers for each Port provide access to GPIO control, input data, and output data.  
Table 17 lists these Port registers. Use the Port A–D Address and Control registers  
together to provide access to sub-registers for Port configuration and control.  
Table 17. GPIO Port Registers and Sub-Registers  
Port Register Mnemonic  
Port Register Name  
PxADDR  
Port A–D Address Register  
(Selects sub-registers)  
PxCTL  
Port A–D Control Register  
(Provides access to sub-registers)  
PxIN  
Port A–D Input Data Register  
Port A–D Output Data Register  
PxOUT  
Port Sub-Register Mnemonic  
Port Register Name  
Data Direction  
PxDD  
PxAF  
Alternate Function  
PS022815-0206  
General-Purpose I/O