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參數資料
型號： ADUC7022ACP32
廠商： ANALOG DEVICES INC
元件分類： 微控制器/微處理器
英文描述： Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
中文描述： 32-BIT, FLASH, 45.5 MHz, MICROCONTROLLER, QCC40
封裝： 6 X 6 MM, MO-220VJJD-2, LFCSP-40
文件頁數： 53/80頁
文件大小： 840K
代理商： ADUC7022ACP32
Preliminary Technical Data
ADuC702x Series
Rev. PrB | Page 53 of 80
2
18
16
2
9600
088
.
3
45
×
2048
×
×
×
=
+
MHz
N
M
019
.
2048
=
+
N
M
M = 1 and N = 0.019 x 2048 = 39
)
2048
39
1
2
18
16
2
088
.
45
3
+
×
×
×
×
=
MHz
Baudrate
Baudrate = 9602 bps
Error = 0.02% compared to 1.92% with the normal baudrate
generator.
UART registers definition
The UART interface consists on 12 registers namely:
-
COMTX:
8-bit transmit register
-
COMRX:
8-bit receive register
-
COMDIV0:
divisor latch (low byte)
COMTX, COMRX and COMDIV0 share the same address
location. COMTX and COMTX can be accessed when bit 7
in COMCON0 register is cleared. COMDIV0 can be accessed
when bit 7 of COMCON0 is set.
-
COMDIV1:
divisor latch (high byte)
-
COMCON0:
line control register
-
COMSTA0:
line status register
-
COMIEN0:
interrupt enable register
-
COMIID0:
interrupt identification register
-
COMCON1:
modem control register
-
COMSTA1:
modem status register
-
COMDIV2:
16-bit fractional baud divide register
-
COMSCR:
8-bit scratch register used for temporary storage.
Also used in network addressable UART mode.
Table 37: COMCON0 MMR Bit Descriptions
Bit
7
Name
DLAB
Description
Divisor latch access
Set by user to enable access to COMDIV0 and COMDIV1 registers
Cleared by user to disable access to COMDIV0 and COMDIV1 and enable access to COMRX and
COMTX
Set break.
Set by user to force SOUT to 0
Cleared to operate in normal mode
Stick parity
Set by user to force parity to defined values:
1 if EPS = 1 and PEN = 1
0 if EPS = 0 and PEN = 1
Even parity select bit
Set for even parity
Cleared for odd parity
Parity enable bit:
Set by user to transmit and check the parity bit
Cleared by user for no parity transmission or checking
Stop bit
Set by user to transmit 1.5 Stop bit if the Word Length is 5 bits or 2 Stop bits if the word length is 6, 7
or 8 bits. The receiver checks the first Stop bit only, regardless of the number of Stop bits selected
Cleared by user to generate 1 Stop bit in the transmitted data
Word length select:
00 = 5 bits
01 = 6 bits
10 = 7 bits
11 = 8 bits
6
BRK
5
SP
4
EPS
3
PEN
2
STOP
1-0
WLS
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相關代理商/技術參數
參數描述
ADUC7022ACPZ32 制造商:Analog Devices 功能描述:MCU 32BIT RISC 32KB FLASH 3.3V 40LFCSP EP - Trays
ADUC7022BCP32 制造商:Analog Devices 功能描述:FLASH ARM7+10-CH,12-B ADC IC - Trays
ADUC7022BCP62 制造商:Analog Devices 功能描述:FLASH ARM7+10-CH,12-B ADC IC - Trays
ADUC7022BCP62-U1 制造商:Analog Devices 功能描述:
ADUC7022BCPZ32 功能描述:IC MCU FLSH 32K ANLG I/O 40LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 標準包裝:250 系列:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C，Microwire，SPI，SSI，SSP，UART/USART，USB 外圍設備:欠壓檢測/復位，POR，WDT 輸入/輸出數:40 程序存儲器容量:96KB（96K x 8） 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 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:48-LQFP 包裝:托盤 其它名稱:568-9587
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