參數(shù)資料
型號: PIC16LF1826-I/ML
廠商: Microchip Technology
文件頁數(shù): 79/109頁
文件大小: 0K
描述: IC MCU 8BIT FLASH 28QFN
產(chǎn)品培訓模塊: 8-bit PIC® Microcontroller Portfolio
標準包裝: 61
系列: PIC® XLP™ mTouch™ 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 32MHz
連通性: I²C,SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 12x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-VQFN 裸露焊盤
包裝: 管件
SC16C850
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 11 November 2010
31 of 55
NXP Semiconductors
SC16C850
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
7.9 Extra Feature Control Register (EFCR)
This is a write-only register, and it allows the software access to these registers: ‘first extra
feature register set’, ‘second extra feature register set’, Transmit FIFO Level Counter
(TXLVLCNT), and Receive FIFO Level Counter (RXLVLCNT).
Remark: EFCR[2:1] has higher priority than EFCR[0]. TXLVLCNT and RXLVLCNT can
only be accessed if EFCR[2:1] are zeroes.
7.10 Scratchpad Register (SPR)
The SC16C850 provides a temporary data register to store 8 bits of user information.
7.11 Divisor Latch (DLL and DLM)
These are two 8-bit registers which store the 16-bit divisor for generation of the baud clock
in the baud rate generator. DLM, stores the most significant part of the divisor. DLL stores
the least significant part of the divisor.
7.12 Transmit FIFO Level Count (TXLVLCNT)
This register is a read-only register. It reports the number of spaces available in the
transmit FIFO.
7.13 Receive FIFO Level Count (RXLVLCNT)
This register is a read-only register. It reports the fill level of the receive FIFO (the number
of characters in the RX FIFO).
Table 22.
Extra Feature Control Register bits description
Bit
Symbol
Description
7:3
EFCR[7:3]
reserved
2:1
EFCR[2:1]
Enable Extra Feature Control bits
00 = General register set is accessible
01 = First extra feature register set is accessible
10 = Second extra feature register set is accessible
11 = reserved
0
EFCR[0]
Enable TXLVLCNT and RXLVLCNT access
0 = TXLVLCNT and RXLVLCNT are disabled
1 = TXLVLCNT and RXLVLCNT are enabled and can be read.
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