參數(shù)資料
型號(hào): PIC16C63A
廠商: Microchip Technology Inc.
英文描述: 8-Bit CMOS Microcontrollers with A/D Converter(8位、帶A/D轉(zhuǎn)換器的CMOS微控制器)
中文描述: 8位CMOS微控制器與A / D轉(zhuǎn)換器(8位,帶的A / D轉(zhuǎn)換器的的CMOS微控制器)
文件頁(yè)數(shù): 61/184頁(yè)
文件大?。?/td> 2230K
代理商: PIC16C63A
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2000 Microchip Technology Inc.
DS30605C-page 61
PIC16C63A/65B/73B/74B
10.3.1.1
Addressing
Once the SSP module has been enabled, it waits for a
START condition to occur. Following the START condi-
tion, 8-bits are shifted into the SSPSR register. All
incoming bits are sampled with the rising edge of the
clock (SCL) line. The value of register SSPSR<7:1> is
compared to the value of the SSPADD register. The
address is compared on the falling edge of the eighth
clock (SCL) pulse. If the addresses match, and the BF
and SSPOV bits are clear, the following events occur:
a)
The SSPSR register value is loaded into the
SSPBUF register.
b)
The buffer full bit, BF is set.
c)
An ACK pulse is generated.
d)
SSP interrupt flag bit, SSPIF (PIR1<3>) is set
(interrupt is generated if enabled) - on the falling
edge of the ninth SCL pulse.
In 10-bit address mode, two address bytes need to be
received by the slave (Figure 10-7). The five Most Sig-
nificant bits (MSbs) of the first address byte specify if
this is a 10-bit address. Bit R/W (SSPSTAT<2>) must
specify a write so the slave device will receive the sec-
ond address byte. For a 10-bit address, the first byte
would equal
1111 0 A9 A8 0
, where
A9
and
A8
are
the two MSbs of the address. The sequence of events
for 10-bit address is as follows, with steps 7 - 9 for
slave-transmitter:
1.
Receive first (high) byte of address (bits SSPIF,
BF, and bit UA (SSPSTAT<1>) are set).
Update the SSPADD register with second (low)
byte of Address (clears bit UA and releases the
SCL line).
Read the SSPBUF register (clears bit BF) and
clear flag bit SSPIF.
Receive second (low) byte of address (bits
SSPIF, BF, and UA are set).
Update the SSPADD register with the first (high)
byte of address, if match releases SCL line, this
will clear bit UA.
Read the SSPBUF register (clears bit BF) and
clear flag bit SSPIF.
Receive Repeated START condition.
Receive first (high) byte of address (bits SSPIF
and BF are set).
Read the SSPBUF register (clears bit BF) and
clear flag bit SSPIF.
2.
3.
4.
5.
6.
7.
8.
9.
TABLE 10-2:
DATA TRANSFER RECEIVED BYTE ACTIONS
Status Bits as Data
Transfer is Received
SSPSR
SSPBUF
Generate ACK
Pulse
Set bit SSPIF
(SSP Interrupt occurs
if enabled)
BF
0
1
1
0
SSPOV
0
0
1
1
Yes
No
No
No
Yes
No
No
No
Yes
Yes, SSPOV is set
Yes
Yes
Note:
Shaded cells show the conditions where the user software did not properly clear the overflow condition.
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PIC16C63A/JW 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C63A-04/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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C63A-04/SO 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 16C63 SOIC28
PIC16C63A-04/SP 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C63A-04/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C63 SDIL28