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Z8F021APH020SC 参数 Datasheet PDF下载

Z8F021APH020SC图片预览
型号: Z8F021APH020SC
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: 微控制器和处理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  
126  
ADC Control/Status Register 1  
The ADC Control/Status Register 1 (ADCCTL1) configures the input buffer stage,  
enables the threshold interrupts and contains the status of both threshold triggers. It is also  
used to select the voltage reference configuration.  
Table 73. ADC Control/Status Register 1 (ADCCTL1)  
7
6
5
4
3
2
1
0
BITS  
REFSELH ALMHST ALMLST ALMHEN ALMLEN  
BUFMODE[2:0]  
FIELD  
RESET  
R/W  
1
0
0
0
0
0
0
0
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
F71H  
ADDR  
REFSELH—Voltage Reference Level Select High Bit; in conjunction with the Low bit  
(REFSELL) in ADC Control Register 0, this determines the level of the internal voltage  
reference; the following details the effects of {REFSELH, REFSELL}; this reference is  
independent of the Comparator reference  
00= Internal Reference Disabled, reference comes from external pin  
01= Internal Reference set to 1.0 V  
10= Internal Reference set to 2.0 V (default)  
11= Reserved  
ALMHST—Alarm High Status; this bit can only be set by hardware and must be written  
with a 1 to clear  
0= No alarm occurred.  
1= A high threshold alarm occurred.  
ALMLST—Alarm Low Status; this bit can only be set by hardware and must be written  
with a 1 to clear  
0= No alarm occurred.  
1= A low threshold alarm occurred.  
ALMHEN—Alarm High Enable  
0= Alarm interrupt for high threshold is disabled. The alarm status bit remains set when  
the alarm threshold is passed.  
1= High threshold alarm interrupt is enabled.  
ALMLEN—Alarm Low Enable  
0= Alarm interrupt for low threshold is disabled. The alarm status bit remains set when the  
alarm threshold is passed.  
1= Low threshold alarm interrupt is enabled.  
BUFMODE[2:0] - Input Buffer Mode Select  
000 = Single-ended, unbuffered input  
001 = Single-ended, buffered input with unity gain  
PS022815-0206  
Analog-to-Digital Converter