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| 型号： | ADUC845BCPZ8-3 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, QCC56 |
| 封装： | 8 X 8 MM, LEAD FREE, MO-220-VLLD-2, LFCSP-56 |
| 文件页数： | 19/108页 |
| 文件大小： | 1940K |
| 代理商： | ADUC845BCPZ8-3 |
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ADuC845/ADuC847/ADuC848
Rev. B | Page 18 of 108
WATCHDOG
TIMER
2304 BYTES
USER RAM
POWER SUPPLY
MONITOR
200
A
200
A
BAND GAP
REFERENCE
VREF
DETECT
AV
DD
AGND
DV
DD
DGND
R
ESET
POR
MO
S
I
MI
S
O
SS
XTA
L
1
ADuC848
ADC
CONTROL
AND
CALIBRATION
DAC
CONTROL
12-BIT
VOLTAGE
OUTPUT DAC
T0
T1
T2EX
T2
INT0
INT1
EA
PSEN
ALE
SIN
G
LE-
P
IN
E
M
ULATOR
TxD
Rx
D
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
XTA
L
2
OSC
2
× DATA POINTERS
11-BIT STACK POINTER
AIN
MUX
AIN1
AIN2
MUX
PWM0
PWM1
PWM
CONTROL
UART
TIMER
SC
LK
SC
LK
SD
A
T
A
I2C SERIAL
INTERFACE
04741-072
PGA
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
P0.0
(
A
D0)
P0.1
(
A
D1)
46
47
P0.2
(
A
D2)
48
P0.3
(
A
D3)
49
P0.4
(
A
D4)
52
P0.5
(
A
D5)
53
P0.6
(
A
D6)
54
P0.7
(
A
D7)
55
P3.0
(
R
xD)
P3.1
(
T
xD)
18
19
P3.2
(
INT0)
20
P3.3
(
INT1)
21
P3.4
(
T
0)
24
P3.5
(
T
1)
25
P3.6
(
W
R)
26
P3.7
(
R
D)
27
P1.0/AIN1
P1.1/AIN2
56
1
P1.2/AIN3/REFIN2+
2
P1.3/AIN4/REFIN2
–
3
P1.4/AIN5
9
P1.5/AIN6
10
P1.6/AIN7/IEXC1
11
P1.7/AIN8/IEXC2
12
P2.0/SC
L
K
(
A
8/A
16)
P2.1/M
OSI
(
A
9/A17)
30
31
P2.2/M
ISO
(
A
10/A18)
32
P2.3/SS/T2
(
A
11/A
19)
33
P2.4/T2EX
(
A
12/A
20)
39
P2.5/PW
M
0
(
A
13/A
2
1)
40
P2.6/PW
M
1
(
A
14/A
2
2)
41
P2.7/PW
M
C
L
K
(
A
15/A
23)
42
AIN9 15
AIN10 16
AINCOM/DAC 13
DUAL
16-BIT
Σ- DAC
DUAL
16-BIT
PWM
REFIN+
8
REFIN–
7
IEXC1 11
IEXC2 12
PRIMARY ADC
16-BIT
Σ- ADC
NOTES
1. THE PIN NUMBERS REFER TO THE LFCSP PACKAGE ONLY.
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
achine 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.
cycle. For a two or more m
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADUC845BCPZ8-5 | 功能描述:IC MCU FLASH 24BIT ADC 56LFCSP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| ADUC845BS62-3 | 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:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 3.3V 52MQFP - Bulk |
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| ADUC845BS8-3 | 制造商:Analog Devices 功能描述: |
| ADUC845BS8-5 | 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:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 5V 52MQFP - Bulk |
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