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参数资料
型号： MCHC11F1CFNE2
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 8-BIT, EEPROM, MICROCONTROLLER, PQCC68
封装： ROHS COMPLIANT AND HALOGEN FREE, PLASTIC, LCC-68
文件页数： 145/162页
文件大小： 4554K
代理商： MCHC11F1CFNE2
PARALLEL INPUT/OUTPUT
MOTOROLA
TECHNICAL DATA
6-3
impedance state, as neither the N-channel nor the P-channel devices are active. It is
customary to have an external pull-up resistor on lines that are driven by open-drain
devices. Port C can only be configured for wired-OR operation when the MCU is in sin-
gle-chip or bootstrap modes.
DDC[7:0] — Data Direction for Port C
0 = Input
1 = Output
6.4 Port D
In all modes, port D bits [5:0] can be used either for general-purpose I/O, or with the
SCI and SPI subsystems. During reset, port D pins are configured as high impedance
inputs (DDRD bits cleared).
The DWOM control bit in the SPCR register disables port D’s P-channel output drivers.
Because the N-channel driver is not affected by DWOM, setting DWOM causes port
D to become an open-drain-type output port suitable for wired-OR operation. In wired-
OR mode, (PORTD bits are at logic level zero), pins are actively driven low by the N-
channel driver. When a port D bit is at logic level one, the associated pin is in a high-
impedance state, as neither the N-channel nor the P-channel devices are active. It is
customary to have an external pull-up resistor on lines that are driven by open-drain
devices. Port D can be configured for wired-OR operation in any operating mode.
PORTC — Port C Data
$1006
Bit 7
654321
Bit 0
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
S. Chip or
Boot:
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
RESET:
IIIIIII
I
Expan. or
Test:
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
DDRC — Data Direction Register for Port C
$1007
Bit 7
654321
Bit 0
DDC7
DDC6
DDC5
DDC4
DDC3
DDC2
DDC1
DDC0
RESET:
0000000
0
PORTD — Port D Data
$1008
Bit 7
654321
Bit 0
—
PD5
PD4
PD3
PD2
PD1
PD0
RESET:
0
IIIII
I
Alt. Pin
Func.:
—
SS
SCK
MOSI
MISO
TxD
RxD
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相关代理商/技术参数
参数描述
MCHC11F1CFNE2 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
MCHC11F1CFNE2R 功能描述:8位微控制器 -MCU 8B MCU 1KRAM 512EE RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
MCHC11F1CFNE3 功能描述:8位微控制器 -MCU 8B MCU 1KRAM 512EE RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
MCHC11F1CFNE3 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
MCHC11F1CFNE3R 功能描述:8位微控制器 -MCU 8B MCU 1KRAM 512EE RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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