參數(shù)資料
型號(hào)： MC68HC11K1VFN4
廠商： MOTOROLA INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT MICROCONTROLLER
中文描述： 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQCC84
封裝： PLASTIC, LCC-84
文件頁(yè)數(shù)： 49/80頁(yè)
文件大?。?/td> 420K
代理商： MC68HC11K1VFN4
M68HC11 K Series
MC68HC11KTS/D
MOTOROLA
49
7 Serial Communications Interface
The SCI, a universal asynchronous receiver transmitter (UART) serial communications interface, is one
of two independent serial I/O subsystems in M68HC11 K-series MCUs. Rearranging registers and con-
trol bits used in previous M68HC11 family devices has enhanced the existing SCI system and added
new features, which include the following:
A 13-bit modulus prescaler that allows greater baud rate control
A new idle mode detect, independent of preceding serial data
A receiver active flag
Hardware parity for both transmitter and receiver
The enhanced baud rate generator is shown in the following diagram. Refer to
Table 7
for standard val-
ues.
Figure 9 SCI Baud Generator Circuit Diagram
13-BIT COUNTER
13-BIT COMPARE
SCBDH/L
SCI BAUD CONTROL
INTERNAL
PHASE 2 CLOCK
=
÷
2
SYNCH
÷
16
RECEIVER
BAUD RATE
CLOCK
TRANSMITTER
BAUD RATE
CLOCK
EXTAL
RESET
相關(guān)PDF資料
PDF描述
MC68HC711K4CFN2 8-BIT MICROCONTROLLER
MC68HC11K4CFN2 Technical Summary 8-Bit Microcontroller
MC68HC11K4CFN3 Technical Summary 8-Bit Microcontroller
MC68HC11K1VFU2 8-BIT MICROCONTROLLER
MC68HC11K4VFU2 MNX Series Enclosure; NEMA Type:1, 2, 4, 4X, 6, 12, 13; Enclosure Material:Polycarbonate; External Height:5.1"; External Width:3"; External Depth:3.9"
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC11K1VFNE4 功能描述:8位微控制器 -MCU 8B MCU 768 RAM - EPP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MC68HC11K1VFU2 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:8-Bit Microcontroller
MC68HC11K1VFU3 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:8-Bit Microcontroller
MC68HC11K1VFU4 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:Technical Summary 8-Bit Microcontroller
MC68HC11K3CFN2 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
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