參數(shù)資料
型號： MC68L11F1CFN3
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, EEPROM, MICROCONTROLLER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數(shù)： 159/174頁
文件大?。?/td> 981K
代理商： MC68L11F1CFN3
MC68HC11F1
PARALLEL INPUT/OUTPUT
MOTOROLA
TECHNICAL DATA
6-5
6.7 Port G
Port G pins reset to high-impedance inputs except in expanded modes where reset
causes PG7 to become the CSPROG output. Alternate functions for port G bits [7:4]
are chip select outputs. All port G bits are bidirectional and have corresponding data
direction bits.
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.
DDG[7:0] — Data Direction for Port G
0 = Input
1 = Output
6.8 System Configuration Options 2
The system configuration options 2 register controls several configuration parameters.
Bit 6, CWOM, is the only bit in this register that directly affects parallel I/O.
PORTF — Port F Data
$1005
Bit 7
654321
Bit 0
PF7
PF6
PF5
PF4
PF3
PF2
PF1
PF0
S. Chip
or Boot:
PF7
PF6
PF5
PF4
PF3
PF2
PF1
PF0
RESET:
0000000
0
Expan.
or Test:
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
PORTG — Port G Data
$1002
Bit 7
654321
Bit 0
PG7
PG6
PG5
PG4
PG3
PG2
PG1
PG0
RESET:
IIIIIII
I
Alt. Pin
Func.: CSPROG
CSGEN
CSIO1
CSIO2
—
DDRG — Data Direction Register for Port G
$1003
Bit 7
654321
Bit 0
DDG7
DDG6
DDG5
DDG4
DDG3
DDG2
DDG1
DDG0
RESET:
0000000
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68L11F1CFNE3 功能描述:8位微控制器 -MCU 8B MCU 1KRAM 512BYTES 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
MC68L11K1FN2R2 制造商:Motorola Inc 功能描述:
MC68L11K1FUE2 功能描述:8位微控制器 -MCU 8B MCU L-VOLTAGE-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
MC68L711E9FN2 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68L711E9FNE2 功能描述:8位微控制器 -MCU 8B MCU LO VOLTAGE 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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