參數(shù)資料
型號： MCHC11F1CFNE2
廠商： Freescale Semiconductor
文件頁數(shù)： 75/158頁
文件大?。?/td> 0K
描述： IC MCU 512 EEPROM 68-PLCC
標(biāo)準(zhǔn)包裝： 18
系列： HC11
核心處理器： HC11
芯體尺寸： 8-位
速度： 2MHz
連通性： SCI，SPI
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 30
程序存儲器類型： ROMless
EEPROM 大?。?/td> 512 x 8
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 4.75 V ~ 5.25 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x8b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 68-LCC（J 形引線）
包裝： 管件
PIN DESCRIPTIONS
TECHNICAL DATA
2-9
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.
2.11.5 Port E
Port E is an 8-bit input-only port that is also used as the analog input port for the ana-
log-to-digital converter. Port E pins that are not used for the A/D system can be used
as general-purpose inputs. However, PORTE should not be read during the sample
portion of an A/D conversion sequence.
2.11.6 Port F
Port F is an 8-bit output-only port. In single-chip mode, port F pins are general-purpose
output pins (PF[7:0]). In expanded mode, port F pins act as the low-order address out-
puts (ADDR[7:0]).
PORTF can be read at any time. Reads of PORTF return the pin driver input level. If
PORTF is written, the data is stored in internal latches. It drives the pins only in single-
chip or bootstrap mode. In expanded operating modes, port F pins are the low-order
address outputs (ADDR[7:0]).
2.11.7 Port G
Port G is an 8-bit general-purpose I/O port. When enabled, four chip select signals are
alternate functions of port G bits [7:4].
PORTG can be read at any time. Inputs return the pin level; outputs return the pin driv-
er input level. If PORTG is written, the data is stored in internal latches. It drives the
pins only if they are configured as outputs.
The GWOM control bit in the OPT2 register disables port G's P-channel output drivers.
Because the N-channel driver is not affected by GWOM, setting GWOM causes port
G to become an open-drain-type output port suitable for wired-OR operation. In wired-
OR mode, (PORTG bits are at logic level zero), pins are actively driven low by the N-
channel driver. When a port G 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 G can be configured for wired-OR operation in any operating mode.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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參數(shù)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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)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
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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)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
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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)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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