參數(shù)資料
型號： PIC16C73A-20/SP
廠商： Microchip Technology
文件頁數(shù)： 106/114頁
文件大?。?/td> 0K
描述： IC MCU OTP 4KX14 A/D PWM 28DIP
產(chǎn)品培訓模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝： 15
系列： PIC® 16C
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
連通性： I²C，SPI，UART/USART
外圍設備： 欠壓檢測/復位，POR，PWM，WDT
輸入/輸出數(shù)： 22
程序存儲器容量： 7KB（4K x 14）
程序存儲器類型： OTP
RAM 容量： 192 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 5x8b
振蕩器型： 外部
工作溫度： 0°C ~ 70°C
封裝/外殼： 28-DIP（0.300"，7.62mm）
包裝： 管件
1997 Microchip Technology Inc.
DS30390E-page 91
PIC16C7X
Figure 11-19 and Figure 11-20 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 identi-
cal to the start condition (SDA goes high-to-low while
SCL is high), but occurs after a data transfer acknowl-
edge pulse (not the bus-free state). This allows a mas-
ter 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 11-21.
FIGURE 11-19: MASTER-TRANSMITTER SEQUENCE
FIGURE 11-20: MASTER-RECEIVER SEQUENCE
FIGURE 11-21: 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)
Applicable Devices
72 73 73A 74 74A 76 77
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PIC16C73AT-04I/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16C73AT-10/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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