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参数资料
型号： PIC16C923T-08I/PT
厂商： Microchip Technology
文件页数： 85/115页
文件大小： 0K
描述： IC MCU OTP 4KX14 LCD DVR 64TQFP
标准包装： 1,200
系列： PIC® 16C
核心处理器： PIC
芯体尺寸： 8-位
速度： 8MHz
连通性： I²C，SPI
外围设备： LCD，POR，PWM，WDT
输入/输出数： 25
程序存储器容量： 7KB（4K x 14）
程序存储器类型： OTP
RAM 容量： 176 x 8
电压 - 电源 (Vcc/Vdd)： 4 V ~ 6 V
振荡器型： 外部
工作温度： -40°C ~ 85°C
封装/外壳： 64-TQFP
包装： 带卷 (TR)
配用： DVA16PQ640-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC164023-ND - MODULE SKT PROMATEII 68TQFP
1997 Microchip Technology Inc.
DS30444E - page 71
PIC16C9XX
Figure 11-13 and Figure 11-14 show Master-transmit-
ter and Master-receiver data transfer sequences.
When a master does not wish to relinquish the bus (by
generating a STOP condition), a repeated START con-
dition (Sr) must be generated. This condition is identical
to the start condition (SDA goes high-to-low while SCL
is high), but occurs after a data transfer acknowledge
pulse (not the bus-free state). This allows a master to
send “commands” to the slave and then receive the
requested information or to address a different slave
device. This sequence is shown in Figure 11-15.
FIGURE 11-13: MASTER-TRANSMITTER SEQUENCE
FIGURE 11-14: MASTER-RECEIVER SEQUENCE
FIGURE 11-15: COMBINED FORMAT
For 7-bit address:
S
Slave Address
First 7 bits
S
R/W A1 Slave Address
Second byte
A2
Data A
Data
P
A master transmitter addresses a slave receiver
with a 10-bit address.
A/A
Slave Address R/W A Data A Data A/A P
'0' (write)
data transferred
(n bytes - acknowledge)
A master transmitter addresses a slave receiver with a
7-bit address. The transfer direction is not changed.
From master to slave
From slave to master
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
S = Start Condition
P = Stop Condition
(write)
For 10-bit address:
For 7-bit address:
S
Slave Address
First 7 bits
S
R/W A1 Slave Address
Second byte
A2
A master transmitter addresses a slave receiver
with a 10-bit address.
Slave Address R/W A Data A Data A
P
'1' (read)
data transferred
(n bytes - acknowledge)
A master reads a slave immediately after the rst byte.
From master to slave
From slave to master
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
S = Start Condition
P = Stop Condition
(write)
For 10-bit address:
Slave Address
First 7 bits
Sr
R/W A3
A
Data A
P
Data
(read)
Combined format:
S
Combined format - A master addresses a slave with a 10-bit address, then transmits
Slave Address R/W A Data A/A Sr
P
(read)
Sr = repeated
Transfer direction of data and acknowledgment bits depends on R/W bits.
From master to slave
From slave to master
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
S = Start Condition
P = Stop Condition
Slave Address
First 7 bits
Sr
R/W A
(write)
data to this slave and reads data from this slave.
Slave Address
Second byte
Data
Sr Slave Address
First 7 bits
R/W A Data A
A P
A
Data A/A
Data
(read)
Slave Address R/W A Data A/A
Start Condition
(write)
Direction of transfer
may change at this point
(read or write)
(n bytes + acknowledge)
相关PDF资料
PDF描述
VI-25L-IW-S CONVERTER MOD DC/DC 28V 100W
PIC16C923T-08I/L IC MCU OTP 4KX14 LCD DVR 68PLCC
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相关代理商/技术参数
参数描述
PIC16C924/CL 功能描述:8位微控制器 -MCU 7KB 176 RAM 52 I/O 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
PIC16C924-04/L 功能描述:8位微控制器 -MCU 7KB 176 RAM 52 I/O 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
PIC16C924-04/PT 功能描述:8位微控制器 -MCU 7KB 176 RAM 52 I/O 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
PIC16C924-04I/L 功能描述:8位微控制器 -MCU 7KB 176 RAM 52 I/O 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
PIC16C924-04I/PT 功能描述:8位微控制器 -MCU 7KB 176 RAM 52 I/O 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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