參數(shù)資料
型號: PIC18F2420-E/SP
廠商: Microchip Technology
文件頁數(shù): 60/151頁
文件大?。?/td> 0K
描述: IC MCU FLASH 8KX16 28-DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
標(biāo)準(zhǔn)包裝: 15
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 25MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,HLVD,POR,PWM,WDT
輸入/輸出數(shù): 25
程序存儲器容量: 16KB(8K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 768 x 8
電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 10x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 28-DIP(0.300",7.62mm)
包裝: 管件
配用: DVA18XP280-ND - DEVICE ADAPTER 18F2220 PDIP 28LD
2011-2012 Microchip Technology Inc.
Preliminary
DS41579C-page 327
PIC16(L)F1782/3
27.3
Register Definitions: EUSART Control
REGISTER 27-1:
TXSTA: TRANSMIT STATUS AND CONTROL REGISTER
R/W-/0
R/W-0/0
R-1/1
R/W-0/0
CSRC
TX9
TXEN(1)
SYNC
SENDB
BRGH
TRMT
TX9D
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7
CSRC:
Clock Source Select bit
Asynchronous mode:
Don’t care
Synchronous mode:
1 = Master mode (clock generated internally from BRG)
0 = Slave mode (clock from external source)
bit 6
TX9:
9-bit Transmit Enable bit
1 = Selects 9-bit transmission
0 = Selects 8-bit transmission
bit 5
TXEN:
Transmit Enable bit(1)
1 = Transmit enabled
0 = Transmit disabled
bit 4
SYNC:
EUSART Mode Select bit
1 = Synchronous mode
0 = Asynchronous mode
bit 3
SENDB:
Send Break Character bit
Asynchronous mode:
1 = Send Sync Break on next transmission (cleared by hardware upon completion)
0 = Sync Break transmission completed
Synchronous mode:
Don’t care
bit 2
BRGH:
High Baud Rate Select bit
Asynchronous mode:
1 = High speed
0 = Low speed
Synchronous mode:
Unused in this mode
bit 1
TRMT:
Transmit Shift Register Status bit
1 = TSR empty
0 = TSR full
bit 0
TX9D:
Ninth bit of Transmit Data
Can be address/data bit or a parity bit.
Note 1:
SREN/CREN overrides TXEN in Sync mode.
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