μPD78F921x ONLY) User’s Manual U16994EJ6V0UD 160 (5) Successive approximation" />
參數(shù)資料
型號： UPD78F9210GR-JJG-A
廠商： Renesas Electronics America
文件頁數(shù)： 71/175頁
文件大?。?/td> 0K
描述： MCU 8BIT 1KB FLASH MEM 16-SSOP
標準包裝： 1
系列： 78K0S/Kx1+
核心處理器： 78K0S
芯體尺寸： 8-位
速度： 10MHz
外圍設備： LVD，POR，PWM，WDT
輸入/輸出數(shù)： 13
程序存儲器容量： 1KB（1K x 8）
程序存儲器類型： 閃存
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉換器： A/D 4x10b
振蕩器型： 內部
工作溫度： -40°C ~ 85°C
封裝/外殼： 16-SSOP（0.173"，4.40mm 寬）
包裝： 托盤
其它名稱： 972-1045
UPD78F9210GR-JJG-A-ND
CHAPTER 9 A/D CONVERTER (
μPD78F921x ONLY)
User’s Manual U16994EJ6V0UD
160
(5) Successive approximation register (SAR)
This register compares the sampled analog voltage and the voltage of the D/A converter, and converts the result,
starting from the most significant bit (MSB).
When the voltage value is converted into a digital value down to the least significant bit (LSB) (end of A/D
conversion), the contents of the SAR register are transferred to the A/D conversion result register (ADCR).
(6) 10-bit A/D conversion result register (ADCR)
The result of A/D conversion is loaded from the successive approximation register to this register each time A/D
conversion is completed, and the ADCR register holds the result of A/D conversion in its lower 10 bits (the higher
6 bits are fixed to 0).
(7) 8-bit A/D conversion result register (ADCRH)
The result of A/D conversion is loaded from the successive approximation register to this register each time A/D
conversion is completed, and the ADCRH register holds the result of A/D conversion in its higher 8 bits.
(8) Controller
When A/D conversion has been completed, INTAD is generated.
(9) VDD pin
This is the positive power supply pin.
In the 78K0S/KY1+, VDD functions alternately as the A/D converter reference voltage input. When using the A/D
converter, stabilize VDD at the supply voltage used (2.7 to 5.5 V).
(10) VSS pin
This is the ground potential pin.
In the 78K0S/KY1+, VSS functions alternately as the ground potential of the A/D converter. Be sure to connect
VSS to a stabilized GND (= 0 V).
(11) A/D converter mode register (ADM)
This register is used to set the conversion time of the analog input signal to be converted, and to start or stop the
conversion operation.
(12) Analog input channel specification register (ADS)
This register is used to specify the port that inputs the analog voltage to be converted into a digital signal.
(13) Port mode control register 2 (PMC2)
This register is used when the P20/ANI0/TI000/TOH1, P21/ANI1/TI010/TO00/INTP0, P22/ANI2, and P23/ANI3
pins are used as the analog input pins of the A/D converter.
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相關代理商/技術參數(shù)
參數(shù)描述
UPD78F9210MA-FAA-AX 制造商:Renesas Electronics Corporation 功能描述:78K0S/KY1+ MCU, 1KB FLASH, 0.125KB RAM, 16-SSOP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 8BIT 1KB FLASH 16SSOP 制造商:Renesas Electronics Corporation 功能描述:MCU 8BIT 10MHZ 1KB 16SSOP
UPD78F9211CS-CAB-A 功能描述:MCU 8BIT 2KB FLASH 16PIN RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:78K0S/Kx1+ 標準包裝:300 系列:78K0R/Ix3 核心處理器:78K/0R 芯體尺寸:16-位 速度:40MHz 連通性:3 線 SIO，I²C，LIN，UART/USART 外圍設備:DMA，LVD，POR，PWM，WDT 輸入/輸出數(shù):27 程序存儲器容量:16KB（16K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:38-SSOP 包裝:托盤
UPD78F9211FH-2A2-A 制造商:Renesas Electronics Corporation 功能描述:
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UPD78F9211GR(T)-JJG-E1-A 制造商:Renesas Electronics Corporation 功能描述:MCU 8-Bit 78K0S CISC 2KB Flash 5V 16-Pin SSOP
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