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參數資料
| 型號： | Z86E8316VEC |
| 英文描述： | MICROCONTROLLER|8-BIT|Z8 CPU|CMOS|LDCC|28PIN|PLASTIC |
| 中文描述： | 單片機| 8位| Z8的CPU |的CMOS | LDCC | 28腳|塑料 |
| 文件頁數： | 34/52頁 |
| 文件大小： | 483K |
| 代理商： | Z86E8316VEC |
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Z86C83/C84/E83
CMOS Z8
MCU
Zilog
8-34
P R E L I M I N A R Y
DS97DZ80700
FUNCTIONAL DESCRIPTION
(Continued)
Analog-to-Digital Converter
The Analog-to-Digital (ADC) is an 8-bit half flash converter
that uses two reference resistor ladders for its upper 4 bits
(MSBs) and lower 4 bits (LSBs) conversion. Two reference
voltage pins, AV
CC
and A
GND
, are provided for external
reference voltage supplies. During the sampling period
from one of the eight channel inputs, the converter is also
being auto-zeroed before starting the conversion. The
conversion time is dependent on the internal clock fre-
quency. The minimum conversion time is 35 x SCLK (see
Figure 22).
The ADC is controlled by the Z8 and its three registers (two
Control and one Result) are mapped into the Extended
Register File. A conversion can be initiated by writing to
the ADC Control Register 0 after the ADC Control Register
1 is configured.
The start command is implemented in such a way as to be-
gin a conversion at any time, if a conversion is in progress
and a new start command is received, then the conversion
in progress will be aborted and a new conversion will be
initiated. This allows the programmed values to be
changed without affecting a conversion-in-progress. The
new values will take effect only after a new start command
is received.
The ADC can be disabled (for low power) or enabled by a
Control Register bit.
Though the ADC will function for a smaller input voltage
and voltage reference, the noise and offsets remain con-
stant over the specified electrical range. The errors of the
converter will increase and the conversion time may also
take slightly longer due to smaller input signals.
ADC Calibration Offset
Specially matched resistors are program-enabled to allow
35 percent or 50 percent offset from A
GND
. They may se-
lectively enable these resistors to offset the A
GND
by 50
percent (2.5V to 5V) or 35 percent (1.75V to 5V) thereby
allowing the 8-bit ADC across a narrower voltage range.
This will allow significant resolution improvement within
the reduced voltage range.
Note:
The AV
CC
must be the same value as V
CC
and
A
GND
must be the same value as GND.
Figure 22. ADC Architecture
Start
Converter
A/D
Control
Reg.
8
8
A/D
Result
Reg.
ADR1
A/D
Converter
AV
CC
A
GND
A/D
Control
Reg.
ADC1
8
Selected Channel
EXT
Sample
and Hold
ADC Register 9
D4, D5
4
Calibration Offset
ADC0
Vref + VCC
Vref- GND
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相關PDF資料 |
PDF描述 |
|---|---|
| Z86E8316VSC | MICROCONTROLLER|8-BIT|Z8 CPU|CMOS|LDCC|28PIN|PLASTIC |
| Z86L0308PSC | Triac; Triac Type:Standard; Peak Repetitive Off-State Voltage, Vdrm:200V; On-State RMS Current, IT(rms):1A; Gate Trigger Current (QI), Igt:25mA; Package/Case:3-TO-92; Current, It av:1A; Holding Current:25mA |
| Z86L0308SSC | Triac; Triac Type:Alternistor; Peak Repetitive Off-State Voltage, Vdrm:200V; On-State RMS Current, IT(rms):25A; Gate Trigger Current (QI), Igt:80mA; Package/Case:3-TO-218X; Current, It av:25A; Gate Trigger Current Max, Igt:80mA |
| Z86L0408PSC | Triac; Triac Type:Alternistor; Peak Repetitive Off-State Voltage, Vdrm:200V; On-State RMS Current, IT(rms):25A; Gate Trigger Current (QI), Igt:80mA; Package/Case:3-TO-218; Current, It av:25A; Gate Trigger Current Max, Igt:80mA |
| Z86L0408SSC | 8-BIT MICROCONTROLLER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| Z86E8316VEC00TR | 功能描述:IC Z8 MCU OTP 4K 28PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:Z8® 標準包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設備:POR，PWM，WDT 輸入/輸出數:40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| Z86E8316VEG | 功能描述:8位微控制器 -MCU 4K OTP 16MHz W/ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| Z86E8316VSC | 功能描述:8位微控制器 -MCU 4K OTP 16MHz W/ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| Z86E8316VSC00TR | 功能描述:IC Z8 MCU OTP 4K 28PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:Z8® 標準包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設備:POR，PWM，WDT 輸入/輸出數:40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| Z86E8316VSG | 功能描述:8位微控制器 -MCU 4K OTP 16MHz W/ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
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