參數(shù)資料
型號： ADUC814ARUZ-REEL7
廠商： Analog Devices Inc
文件頁數(shù)： 8/72頁
文件大小： 0K
描述： IC MCU FLASH 12BIT ADC 28TSSOP
標(biāo)準(zhǔn)包裝： 1,000
系列： MicroConverter® ADuC8xx
核心處理器： 8052
芯體尺寸： 8-位
速度： 16.78MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： POR，PSM，溫度傳感器，WDT
輸入/輸出數(shù)： 17
程序存儲器容量： 8KB（8K x 8）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 640 x 8
RAM 容量： 256 x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 6x12b; D/A 2x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 125°C
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
包裝： 帶卷 (TR)
配用： EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR
ADuC814
Rev. A | Page 16 of 72
ADuC814 ARCHITECTURE, MAIN FEATURES
The ADuC814 is a fully integrated 247 kSPS 12-bit data
acquisition system incorporating a high performance multi-
channel ADC, an 8-bit MCU, and program/data Flash/EE
memory on a single chip.
This low power device operates from a 32 kHz crystal with an
on-chip PLL generating a high frequency clock of 16.78 MHz.
This clock is, in turn, routed through a programmable clock
divider from which the MCU core clock operating frequency is
generated.
The microcontroller core is an 8052, and therefore 8051,
instruction set compatible. The microcontroller core machine
cycle consists of 12 core clock periods of the selected core
operating frequency. Eight kbytes of nonvolatile Flash/EE
program memory are provided on-chip. 640 bytes of nonvolatile
Flash/EE data memory and 256 bytes RAM are also integrated
on-chip.
The ADuC814 also incorporates additional analog functionality
with dual 12-bit DACs, a power supply monitor, and a band gap
reference. On-chip digital peripherals include a watchdog timer,
time interval counter, three timer/counters, and three serial I/O
ports (SPI, UART, I2C).
On-chip factory firmware supports in-circuit serial download
and debug modes (via UART), as well as single-pin emulation
mode via the DLOAD pin. A detailed functional block diagram
of the ADuC814 is shown in Figure 17.
The ADuC814 is supported by a QuickStart Development
System. This is a full-featured, low cost system, consisting of
PC-based (Windows compatible) hardware and software
development tools.
The part operates from a single 3 V or 5 V supply. When
operating from 3 V supplies, the power dissipation for the part
is below 10 mW. The ADuC814 is housed in a 28-lead TSSOP
package and is specified for operation over an extended
temperature range 40°C to +125°C.
D
G
N
D
S
C
L
O
C
K
/D
0
ADuC814
BUF
P
1
.0
(T
2
)
P
1
.1
(T
2
E
X
)
P
1
.2
(A
IN
0
)
P
1
.4
(A
IN
2
)
P
1
.5
(A
IN
3
)
P
1
.6
(A
IN
4
/D
A
C
0
)
P
1
.7
(A
IN
5
/D
A
C
1
)
P
3
.0
(R
X
D
)
P
3
.1
(T
X
D
)
P
3
.2
(I
N
T
0
)
P
1
.3
(A
IN
1
)
BUF
T0
T1
T2EX
T2
DAC1
DAC0
M
O
S
I/
D
1
POR
P
3
.3
(I
N
T
1
)
P
3
.4
(T
0
)
P
3
.5
(S
S
/E
X
T
C
L
K
)
P
3
.6
(M
IS
O
)
P
3
.7
(M
O
S
I/
D
1
)
DAC1
DAC0
BUF
INT0
INT1
XTA
L
1
XTA
L
2
MI
S
O
SS
DLOAD
TxD
Rx
D
R
ESET
DV
DD
AGND
AV
DD
AGND
8052
MCU
CORE
CREF
VREF
TEMP MONITOR
DAC0
DAC1
VREF
AGND
BAND GAP
REFERENCE
640
× 8
DATA
FLASH/EE
256
× 8
USER RAM
WATCHDOG
TIMER
16-BIT
COUNTER
TIMERS
TIME
INTERVAL
COUNTER
PROG.
CLOCK
DIVIDER
OSC
AND
PLL
SPI SERIAL
INTERFACE
DOWNLOADER
DEBUGGER
SIN
G
LE-
P
IN
E
M
ULATOR
ASYNCHRONOUS
SERIAL PORT
(UART)
POWER SUPPLY
MONITOR
8k
× 8
PROGRAM
FLASH/EE
12-BIT
ADC
CONTROL
AND
CAL
LOGIC
DAC
CONTROL
LOGIC
AIN
MUX
T/H
ADC5
ADC0
D0
D1
11
21
16
17
02748-A
-024
Figure 17. ADuC814 Block Diagram
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ADUC814BRU 功能描述:IC ADC 12BIT W/FLASH MCU 28TSSOP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB（4K 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 ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
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