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參數資料
| 型號： | ADUC831BCP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Circular Connector; No. of Contacts:6; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:9; Circular Contact Gender:Socket; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:9-35 |
| 中文描述： | 8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, QCC56 |
| 封裝： | 8 X 8 MM, LEAD FRAME, CSP-56 |
| 文件頁數： | 64/76頁 |
| 文件大小： | 1211K |
| 代理商： | ADUC831BCP |
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REV. 0
–64–
ADuC831
C1+
V+
C1–
C2+
C2–
V–
T2OUT
R2IN
V
CC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
ADM202
1
2
3
4
5
6
7
8
9
DV
DD
9-PIN D-SUB
FEMALE
DV
DD
27
34
33
31
30
29
28
39
38
37
36
35
32
40
47
46
44
43
42
41
52
51
50
49
48
45
DV
DD
1k
DV
DD
1k
2-PIN HEADER FOR
EMULATION ACCESS
(NORMALLY OPEN)
DOWNLOAD/DEBUG
ENABLE JUMPER
(NORMALLY OPEN)
11.0592MHz
DV
DD
AV
DD
AV
DD
AGND
C
REF
V
REF
DAC0
DAC1
D
D
D
P
E
DGND
DV
DD
XTAL2
XTAL1
R
R
T
D
D
D
NOT CONNECTED IN THIS EXAMPLE
ADuC831
ADC0
A
ANALOG INPUT
VREF OUTPUT
DAC OUTPUT
Figure 64. Example ADuC831 System (PQFP Package)
Note that
PSEN
is normally an output (as described in the External
Memory Interface section) and is sampled as an input only on the
falling edge of RESET (i.e., at power-up or upon an external
manual reset). Note also that if any external circuitry uninten-
tionally pulls
PSEN
low during power-up or reset events, it could
cause the chip to enter download mode and therefore fail to begin
user code execution as it should. To prevent this, ensure that no
external signals are capable of pulling the
PSEN
pin low, except
for the external
PSEN
jumper itself.
Embedded Serial Port Debugger
From a hardware perspective, entry into serial port debug mode
is identical to the serial download entry sequence described
above. In fact, both serial download and serial port debug modes
can be thought of as essentially one mode of operation used in
two different ways.
Note that the serial port debugger is fully contained on the ADuC831
device, (unlike ROM monitor type debuggers) and therefore no
external memory is needed to enable in-system debug sessions.
Single-Pin Emulation Mode
Also built into the ADuC831 is a dedicated controller for
single-pin in-circuit emulation (ICE) using standard production
ADuC831 devices. In this mode, emulation access is gained by
connection to a single pin, the
EA
pin. Normally, this pin is hard-
wired either high or low to select execution from internal or
external program memory space, as described earlier. To enable
single-pin emulation mode, however, users will need to pull the
EA
pin high through a 1 k
resistor as shown in Figure 64. The
emulator will then connect to the 2-pin header also shown in
Figure 64. To be compatible with the standard connector that
comes with the single-pin emulator available from Accutron Lim-
ited (www.accutron.com), use a 2-pin 0.1-inch pitch “Friction
Lock” header from Molex (www.molex.com) such as their
part number 22-27-2021. Be sure to observe the polarity of this
header. As represented in Figure 64, when the Friction Lock tab
is at the right, the ground pin should be the lower of the two
pins (when viewed from the top).
Typical System Configuration
A typical ADuC831 configuration is shown in Figure 64. It sum-
marizes some of the hardware considerations discussed in the
previous paragraphs.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADUC831BCP-REEL | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:12-BIT ADC WITH EMBEDDED 8-BIT MCU I.C. - Tape and Reel |
| ADUC831BCPZ | 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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 外圍設備:欠壓檢測/復位，LED，POR，PWM，WDT 輸入/輸出數: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 數據轉換器:- 振蕩器型:內部 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 |
| ADUC831BCPZ-REEL | 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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 外圍設備:欠壓檢測/復位，LED，POR，PWM，WDT 輸入/輸出數: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 數據轉換器:- 振蕩器型:內部 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 |
| ADUC831BS | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 52-Pin MQFP 制造商:Analog Devices 功能描述:8BIT MCU +12BIT ADC LQFP52 831 |
| ADUC831BS-REEL | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 52-Pin MQFP T/R |
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