參數(shù)資料
型號(hào): MC68HC705SR3CPE
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 25/96頁(yè)
文件大?。?/td> 0K
描述: IC MCU 3.75K 2.1MHZ OTP 40-DIP
標(biāo)準(zhǔn)包裝: 9
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: LED,POR
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 3.75KB(3.75K x 8)
程序存儲(chǔ)器類(lèi)型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
MC68HC05SR3
Freescale
3-5
INPUT/OUTPUT PORTS
3
3.6
Programmable Pull-Up Devices
Ports B, C, and D have 20K
pull-up resistors, which can be connected or disconnected, by
setting appropriate bits in the Port Option Register (at $0A).
3.6.1
Port Option Register
PIL — PB5:PB7 current drive select
1 (set)
PB5-PB7 are configured to 2mA drive port.
0 (clear) –
PB5-PB7 are configured to 10mA drive port.
PDP — Port D Pull-up
1 (set)
The internal 20K
pull-up resistors are connected to the inputs of
Port D.
0 (clear) –
No pull-up resistor is connected to the inputs of Port D.
Figure 3-5 Typical IOL vs VOL @VDD=3V
Address bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
Port Option Register (POPR)
$0A
PIL
PDP
PCP
PBP
PB1
PB0 0000 0000
0
123
VOH (volts)
0
–1
–2
–3
–4
–5
I OH
(mA)
PB5-PB7 in low current mode
worst case
typical
best case
typical
best case
worst case
All ports
TPG
29
05SR3.Book Page 5 Thursday, August 4, 2005 1:08 PM
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參數(shù)描述
MC68HC705SR3CPE 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
MC68HC705SR3PE 功能描述:IC MCU 3.75K 2.1MHZ OTP 40-DIP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:HC05 標(biāo)準(zhǔn)包裝:1 系列:AVR® ATmega 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C,SPI,UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位,POR,PWM,WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB(16K x 16) 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:44-TQFP 包裝:剪切帶 (CT) 其它名稱(chēng):ATMEGA324P-B15AZCT
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