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參數(shù)資料
| 型號： | MC68HC11K1VFU3 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MNX Series Enclosure; NEMA Type:1, 2, 4, 4X, 6, 12, 13; Enclosure Material:Polycarbonate; External Height:10"; External Width:7.1"; External Depth:2.5"; Enclosure Color:Light Gray; Approval Bodies:UL, CSA; Cover Color:Light Gray RoHS Compliant: Yes |
| 中文描述： | 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數(shù)： | 49/80頁 |
| 文件大?。?/td> | 420K |
| 代理商： | MC68HC11K1VFU3 |
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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 |
|---|---|
| MC68HC11K4VFU3 | Technical Summary 8-Bit Microcontroller |
| MC68HC11K1VFU4 | 8-BIT MICROCONTROLLER |
| MC68HC11K4VFU4 | Technical Summary 8-Bit Microcontroller |
| MC68HC11K4VFN2 | Technical Summary 8-Bit Microcontroller |
| MC68HC11K1CFN2 | 8-BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC11K1VFU4 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Technical Summary 8-Bit Microcontroller |
| MC68HC11K3CFN2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC11K3CFN3 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Technical Summary 8-Bit Microcontroller |
| MC68HC11K3CFN4 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC11K3CFU2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
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