參數(shù)資料
型號(hào)： ADuC848
廠商： Analog Devices, Inc.
元件分類： ADC
英文描述： MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
中文描述： MicroConverter的多通道ADC的24-/16-Bit與嵌入式62 kB閃存以及單周期控制器
文件頁數(shù)： 18/108頁
文件大小： 1109K
代理商： ADUC848
ADuC845/ADuC847/ADuC848
Rev. A | Page 18 of 108
WATCHDOG
TIMER
2304 BYTES
USER RAM
POWER SUPPLY
MONITOR
200
μ
A
200
μ
A
BAND GAP
REFERENCE
V
DETECT
A
D
A
D
D
D
R
POR
M
M
S
X
ADuC848
ADC
CONTROL
AND
CALIBRATION
DAC
DAC
CONTROL
12-BIT
VOLTAGE
OUTPUT DAC
T0
T1
T2EX
T2
INT0
INT1
E
P
A
S
E
T
R
4 kBYTES DATA/
FLASH/EE
62 kBYTES PROGRAM/
FLASH/EE
UART
SERIAL PORT
CURRENT
SOURCE
MIX
SINGLE-
CYCLE
8052
MCU
CORE
DOWNLOADER
DEBUGGER
SPI SERIAL
INTERFACE
16-BIT
COUNTER
TIMERS
WAKE-UP/
RTC TIMER
PLL WITH PROG.
CLOCK DIVIDER
X
OSC
2
×
DATA POINTERS
11-BIT STACK POINTER
AIN
MUX
AIN1
AIN2
MUX
PWM0
PWM1
PWM
CONTROL
UART
TIMER
S
S
S
I
2
C SERIAL
INTERFACE
0
PGA
BUF
BUF
56
4
36
51
23
37 38 50
18
17
19
44
43
45
30
31
32
33
28
29
34
35
21
20
39
33
25
24
41
PWMCLK
42
40
14
5
6
22
1
AIN3
2
AIN4
3
AIN5
9
AIN6
10
AIN7
11
AIN8
12
P
P
46
47
P
48
P
49
P
52
P
53
P
54
P
55
P
P
16
17
P
18
P
19
P
22
P
23
P
24
P
25
P
P
56
1
P
2
P
3
P
9
P
10
P
11
P
12
P
P
30
31
P
32
P
33
P
39
P
40
P
41
P
42
AIN9*
15
AIN10*
16
AINCOM
13
DUAL
16-BIT
Σ
-
DAC
DUAL
16-BIT
PWM
REFIN+
8
REFIN–
7
IEXC1
11
IEXC1
12
*THE PIN NUMBERS REFER TO THE CSP PACKAGE ONLY.
SHADED AREAS ARE UPGRADES FROM THE ADuC834, AND INCLUDE A SINGLE-CYCLE CORE, UP TO 10 ADC INPUT
CHANNELS (8 ON THE MQFP PACKAGE).
PRIMARY ADC
16-BIT
Σ
-
ADC
Figure 6. Detailed Block Diagram of the ADuC848
8052 INSTRUCTION SET
Table 4 documents the number of clock cycles required for each
instruction. Most instructions are executed in one or two clock
cycles resulting in 12.58 MIPs peak performance when operating
at PLLCON = 00H.
TIMER OPERATION
Timers on a standard 8052 increment by one with each machine
cycle. On the ADuC845, ADuC847, and ADuC848, one machine
cycle is equal to one clock cycle; therefore, the timers increment
at the same rate as the core clock.
ALE
On the ADuC834, the output on the ALE pin is a clock at 1/6th
of the core operating frequency. On the ADuC845, ADuC847,
and ADuC848, the ALE pin operates as follows. For a single
machine cycle instruction, ALE is high for the entire machine
cycle. For a two or more machine cycle instruction, ALE is high
for the first machine cycle and then low for the remainder of
the machine cycles.
EXTERNAL MEMORY ACCESS
The ADuC845, ADuC847, and ADuC848 do not support
external program memory access, but the parts can access up to
16 MB (24 address bits) of external data memory. When
accessing external RAM, the EWAIT register might need to be
programmed in order to give extra machine cycles to MOVX
commands to allow for differing external RAM access speeds.
相關(guān)PDF資料
PDF描述
ADUC848BCP62-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP62-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP8-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP8-5 Cable Gland (Clamp); Connector Shell Size:10SL, 12S; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Thread Size:5/8-24; Approval Categories:MIL-C-5015; Series:97 RoHS Compliant: No
ADUC848BS32-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADUC848BCP32-3 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays
ADUC848BCP32-5 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays
ADUC848BCP62-3 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 3.3V 56LFCSP - Bulk
ADUC848BCP62-5 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP
ADUC848BCP8-3 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays 制造商:Rochester Electronics LLC 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Bulk
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