参数资料
型号: DSPIC33FJ16GP304T-I/PT
厂商: Microchip Technology
文件页数: 6/176页
文件大小: 0K
描述: IC DSPIC MCU/DSP 16K 44TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 1,200
系列: dsPIC™ 33F
核心处理器: dsPIC
芯体尺寸: 16-位
速度: 40 MIP
连通性: I²C,IrDA,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 35
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 13x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-TQFP
包装: 带卷 (TR)
配用: DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
其它名称: DSPIC33FJ16GP304T-I/PTTR
102
AT89C5131
4136C–USB–04/05
SSIE, CR2, CR1 and CR0 are not affected by the serial transfer and are referred to
Table . After a repeated START condition (state 10h) SSLC may switch to the master
transmitter mode by loading SSDAT with SLA+W.
Slave Receiver Mode
In the slave receiver mode, a number of data bytes are received from a master transmit-
ter (Figure 51). To initiate the slave receiver mode, SSADR and SSCON must be loaded
as follows:
The upper 7 bits are the address to which SSLC will respond when addressed by a mas-
ter. If the LSB (GC) is set SSLC will respond to the general call address (00h); otherwise
it ignores the general call address.
CR0, CR1 and CR2 have no effect in the slave mode (Table 82). SSIE must be set to
enable SSLC. The AA bit must be set to enable the own slave address or the general
call address acknowledgement. STA, STO and SI must be cleared.
When SSADR and SSCON have been initialised, SSLC waits until it is addressed by its
own slave address followed by the data direction bit which must be at logic 0 (W) for
SSLC to operate in the slave receiver mode. After its own slave address and the W bit
have been received, the serial interrupt flag is set and a valid status code can be read
from SSCS. This status code is used to vector to an interrupt service routine.The appro-
priate action to be taken for each of these status code is detailed in Table 85. The slave
receiver mode may also be entered if arbitration is lost while SSLC is in the master
mode (states 68h and 78h of Table 85).
If the AA bit is reset during a transfer, SSLC will return a not acknowledge (logic 1) to
SDA after the next received data byte. While AA is reset, SSLC does not respond to its
own slave address. However, the TWI bus is still monitored and address recognition
may be resume at any time by setting AA. This means that the AA bit may be used to
temporarily isolate SSLC from the TWI bus.
Slave Transmitter Mode
In the slave transmitter mode, a number of data bytes are transmitted to a master
receiver (Figure 52). Data transfer is initialized as in the slave receiver mode. When
SSADR and SSCON have been initialized, SSLC waits until it is addressed by its own
slave address followed by the data direction bit which must be at logic 1 (R) for SSLC to
operate in the slave transmitter mode. After its own slave address and the R bit have
been received, the serial interrupt flag is set and a valid status code can be read from
SSCS. This status code is used to vector to an interrupt service routine. The appropriate
action to be taken for each of these status code is detailed in Table 83. The slave trans-
mitter mode may also be entered if arbitration is lost while SSLC is in the master mode
(state B0h of Table 83).
Table 78. SSADR: Slave Receiver Mode Initialization
A6
A5
A4
A3
A2
A1
A0
GC
own slave address
Table 79. SSCON: Slave Receiver Mode Initialization
CR2
SSIE
STA
STO
SI
AA
CR1
CR0
bit rate
1
0
1
bit rate
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