參數(shù)資料
型號(hào): PIC12C508A-04/P
廠商: Microchip Technology
文件頁(yè)數(shù): 30/113頁(yè)
文件大?。?/td> 0K
描述: IC MCU OTP 512X12 8DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 60
系列: PIC® 12C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 5
程序存儲(chǔ)器容量: 768B(512 x 12)
程序存儲(chǔ)器類(lèi)型: OTP
RAM 容量: 25 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 8-DIP(0.300",7.62mm)
包裝: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
DVMCPA-ND - KIT DVR BOARD EVAL SYSTEM MXDEV1
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
1999 Microchip Technology Inc.
DS40139E-page 23
PIC12C5XX
FIGURE 5-2:
SUCCESSIVE I/O OPERATION
PC
PC + 1
PC + 2
PC + 3
Q1
Q2
Q3 Q4
Q1 Q2 Q3 Q4 Q1
Q2
Q3 Q4
Q1
Q2
Q3 Q4
Instruction
fetched
GP5:GP0
MOVWF GPIO
NOP
Port pin
sampled here
NOP
MOVF GPIO,W
Instruction
executed
MOVWF GPIO
(Write to
GPIO)
NOP
MOVF GPIO,W
This example shows a write to GPIO followed
by a read from GPIO.
Data setup time = (0.25 TCY – TPD)
where: TCY = instruction cycle.
TPD = propagation delay
Therefore, at higher clock frequencies, a
write followed by a read may be problematic.
(Read
GPIO)
Port pin
written here
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