参数资料
型号: PIC12C509-04E/P
厂商: Microchip Technology
文件页数: 40/113页
文件大小: 0K
描述: IC MCU OTP 1KX12 8DIP
产品培训模块: Asynchronous Stimulus
标准包装: 60
系列: PIC® 12C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.5KB(1K x 12)
程序存储器类型: OTP
RAM 容量: 41 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
配用: DVMCPA-ND - KIT DVR BOARD EVAL SYSTEM MXDEV1
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
PIC12C5XX
DS40139E-page 32
1999 Microchip Technology Inc.
FIGURE 7-3:
DATA TRANSFER SEQUENCE ON THE SERIAL BUS
FIGURE 7-4:
ACKNOWLEDGE TIMING
(A)
(B)
(C)
(D)
(A)
(C)
SCL
SDA
START
CONDITION
ADDRESS OR
ACKNOWLEDGE
VALID
DATA
ALLOWED
TO CHANGE
STOP
CONDITION
SCL
9
8
7
6
5
4
3
2
11
2
3
Transmitter must release the SDA line at this point
allowing the Receiver to pull the SDA line low to
acknowledge the previous eight bits of data.
Receiver must release the SDA line at this point
so the Transmitter can continue sending data.
Data from transmitter
SDA
Acknowledge
Bit
7.2
Device Addressing
After generating a START condition, the bus master
transmits a control byte consisting of a slave address
and a Read/Write bit that indicates what type of opera-
tion is to be performed. The slave address consists of
a 4-bit device code (1010) followed by three don’t care
bits.
The last bit of the control byte determines the operation
to be performed. When set to a one a read operation is
selected, and when set to a zero a write operation is
selected. (Figure 7-5). The bus is monitored for its cor-
responding slave address all the time. It generates an
acknowledge bit if the slave address was true and it is
not in a programming mode.
FIGURE 7-5:
CONTROL BYTE FORMAT
10
1
0
X
SACK
R/W
Device Select
Bits
Don’t Care
Bits
Slave Address
Acknowledge Bit
Start Bit
Read/Write Bit
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PIC12C509-04I/P 功能描述:8位微控制器 -MCU 1.5KB 41 RAM 6 I/O 4MHz Ind Temp PDIP8 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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PIC12C509-04I/SN 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller
PIC12C509A 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontrollers