參數(shù)資料
型號: MC68HC11K1CFN2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC84
封裝: PLASTIC, LCC-84
文件頁數(shù): 56/80頁
文件大小: 420K
代理商: MC68HC11K1CFN2
MOTOROLA
56
M68HC11 K Series
MC68HC11KTS/D
8 Serial Peripheral Interface
The SPI allows the MCU to communicate synchronously with peripheral devices and other micropro-
cessors. Data rates can be as high as 2 Mbits per second when configured as a master and 4 Mbits per
second when configured as a slave (assuming 4 MHz bus speed).
Two control bits in OPT2 allow the transfer of data either MSB or LSB first and select an additional divide
by four stage to be inserted before the SPI baud rate clock divider.
Figure 12 SPI Block Diagram
L
OPTIONS REGISTER 2
INTERNAL
MCU CLOCK
DIVIDER
SELECT
SPI CLOCK (MASTER)
8-BIT SHIFT REGISTER
READ DATA BUFFER
MSB
CLOCK
LOGIC
S
M
M
S
PIN
CONTROL
LOGIC
MISO/
PD2
MOSI/
PD3
SCK/
PD4
SS/
PD5
M
S
M
S
D
S
MSTR
SPE
SPIE
S
S
D
M
C
C
S
S
SPCR
SPI CONTROL REGISTER
S
W
M
SPSR
SPI STATUS REGISTER
SPI CONTROL
INTERNAL
DATA BUS
SPI INTERRUPT
REQUEST
÷
2
÷
4
÷
16
÷
32
÷
8
÷
16
÷
64
÷
128
L
8
8
8
S
S
LSB
CLOCK
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MC68HC11K1CFNE3 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)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小: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
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