參數(shù)資料
型號(hào): MC9S08RC60DWE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO28
封裝: ROHS COMPLIANT, MS-013AE, SOIC-28
文件頁(yè)數(shù): 210/234頁(yè)
文件大?。?/td> 1758K
代理商: MC9S08RC60DWE
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Parallel Input/Output
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
Freescale Semiconductor
77
6.4.2
Internal Pullup Control
An internal pullup device can be enabled for each port pin that is congured as an input (PTxDDn = 0).
The pullup device is available for a peripheral module to use, provided the peripheral is enabled and is an
input function as long as the PTxDDn = 0.
NOTE
The voltage measured on the pulled up PTA0 pin will be less than VDD. The
internal gates connected to this pin are pulled all the way to VDD. All other
pins with enabled pullup resistors will have an unloaded measurement of
VDD.
6.5
Stop Modes
Depending on the stop mode, I/O functions differently as the result of executing a STOP instruction. An
explanation of I/O behavior for the various stop modes follows:
When the MCU enters stop1 mode, all internal registers, including general-purpose I/O control and
data registers, are powered down. All of the general-purpose I/O pins assume their reset state:
output buffers and pullups turned off. Upon exit from stop1, all I/O must be initialized as if the
MCU had been reset.
When the MCU enters stop2 mode, the internal registers are powered down as in stop1 but the I/O
pin states are latched and held. For example, a port pin that is an output driving low continues to
function as an output driving low even though its associated data direction and output data registers
are powered down internally. Upon exit from stop2, the pins continue to hold their states until a 1
is written to the PPDACK bit. To avoid discontinuity in the pin state following exit from stop2, the
user must restore the port control and data registers to the values they held befor4e entering stop2.
These values can be stored in RAM before entering stop2 because the RAM is maintained during
stop2.
In stop3 mode, all I/O is maintained because internal logic circuity stays powered up. Upon
recovery, normal I/O function is available to the user.
6.6
Parallel I/O Registers and Control Bits
This section provides information about all registers and control bits associated with the parallel I/O ports.
Refer to tables in the Memory chapter for the absolute address assignments for all parallel I/O registers.
This section refers to registers and control bits only by their names. A Freescale-provided equate or header
le normally is used to translate these names into the appropriate absolute addresses.
相關(guān)PDF資料
PDF描述
MC9S08RE32CFDE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC48
MC9S08RE32FJE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32
MC9S08RD16CFGE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
MC9S08RD32FDE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC48
MC9S08RD8FJE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9S08RC60FDE 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC9S08RC60FG 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC9S08RC60FGE 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC9S08RC60FJ 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Microcontrollers
MC9S08RC60FJE 功能描述:IC MCU 60K FLASH 8MHZ 32-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:S08 標(biāo)準(zhǔn)包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設(shè)備:- 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:8KB(8K x 8) 程序存儲(chǔ)器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285