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參數(shù)資料
| 型號： | MC68C912B32CFU8 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-Bit Microcontroller |
| 中文描述： | 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數(shù)： | 17/128頁 |
| 文件大小： | 748K |
| 代理商： | MC68C912B32CFU8 |
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MC68HC912B32
MC68HC912B32TS/D
MOTOROLA
17
Register DDRT determines pin direction of port T when used for general-purpose I/O. When DDRT bits
are set, the corresponding pin is configured for output. On reset the DDRT bits are cleared and the cor-
responding pin is configured for input.
When the PUPT bit in the TMSK2 register is set, all input pins are pulled up internally by an active pull-
up device. Pull-ups are disabled after reset.
Setting the RDPT bit in the TMSK2 register configures all port T outputs to have reduced drive levels.
Levels are at normal drive capability after reset. The TMSK2 register can be read or written anytime
after reset. Refer to
12 Standard Timer Module
.
3.4.8 Port S
Port S is the 8-bit interface to the standard serial interface consisting of the serial communications in-
terface (SCI) and serial peripheral interface (SPI) subsystems. Port S pins are available for general-pur-
pose parallel I/O when standard serial functions are not enabled.
Port S pins serve several functions depending on the various internal control registers. If WOMS bit in
the SC0CR1
register is set, the P-channel drivers of the output buffers are disabled for bits 0 through 1
(2 through 3). If SWOM bit in the SP0CR1 register is set, the P-channel drivers of the output buffers are
disabled for bits 4 through 7. (wired-OR mode). The open drain control effects both the serial and the
general-purpose outputs. If the RDPSx bits in the PURDS register are set, the appropriate port S pin
drive capabilities are reduced. If PUPSx bits in the PURDS register are set, the appropriate pull-up de-
vice is connected to each port S pin which is programmed as a general-purpose input . If the pin is pro-
grammed as a general-purpose output, the pull-up is disconnected from the pin regardless of the state
of the individual PUPSx bits. See
13 Serial Interface
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68C912B32FU8 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16-Bit Microcontroller |
| MC68CK16Z1 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series |
| MC68CK16Z1CAG16 | 功能描述:16位微控制器 - MCU 16BIT 1KRAM 32KHZ CRYSTAL RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MC68CK16Z1CAG16 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
| MC68CK16Z1CFC16 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series |
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