參數(shù)資料
型號: PIC16C76-04I/SP
廠商: Microchip Technology
文件頁數(shù): 96/114頁
文件大?。?/td> 0K
描述: IC MCU OTP 8KX14 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: 4MHz
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: 14KB(8K x 14)
程序存儲器類型: OTP
RAM 容量: 368 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
數(shù)據(jù)轉換器: A/D 5x8b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-DIP(0.300",7.62mm)
包裝: 管件
PIC16C7X
DS30390E-page 82
1997 Microchip Technology Inc.
The SS pin allows a synchronous slave mode. The
SPI must be in slave mode (SSPCON<3:0> = 04h)
and the TRISA<5> bit must be set the for synchro-
nous slave mode to be enabled. When the SS pin is
low, transmission and reception are enabled and
the SDO pin is driven. When the SS pin goes high,
the SDO pin is no longer driven, even if in the mid-
dle of a transmitted byte, and becomes a oating
output. If the SS pin is taken low without resetting
SPI mode, the transmission will continue from the
point at which it was taken high. External pull-up/
pull-down resistors may be desirable, depending on the
application.
To emulate two-wire communication, the SDO pin can
be connected to the SDI pin. When the SPI needs to
operate as a receiver the SDO pin can be congured as
an input. This disables transmissions from the SDO.
The SDI can always be left as an input (SDI function)
since it cannot create a bus conict.
FIGURE 11-5: SPI MODE TIMING, MASTER MODE OR SLAVE MODE W/O SS CONTROL
FIGURE 11-6: SPI MODE TIMING, SLAVE MODE WITH SS CONTROL
TABLE 11-1:
REGISTERS ASSOCIATED WITH SPI OPERATION
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on
all other
resets
0Bh,8Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
0Ch
PIR1
PSPIF(1,2)
ADIF
RCIF(2) TXIF(2)
SSPIF
CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
8Ch
PIE1
PSPIE(1,2)
ADIE
RCIE(2) TXIE(2)
SSPIE
CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
87h
TRISC
PORTC Data Direction Register
1111 1111
13h
SSPBUF
Synchronous Serial Port Receive Buffer/Transmit Register
xxxx xxxx
uuuu uuuu
14h
SSPCON
WCOL
SSPOV SSPEN
CKP
SSPM3 SSPM2
SSPM1
SSPM0
0000 0000
85h
TRISA
PORTA Data Direction Register
--11 1111
94h
SSPSTAT
D/A
P
S
R/W
UA
BF
--00 0000
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by the SSP in SPI mode.
Note 1:
Bits PSPIE and PSPIF are reserved on the PIC16C73/73A, always maintain these bits clear.
2:
The PIC16C72 does not have a Parallel Slave Port or USART, these bits are unimplemented, read as '0'.
SCK
(CKP = 0)
SCK
(CKP = 1)
SDO
SDI
SSPIF
bit7
bit0
bit6
bit5
bit4
bit3
bit2
bit1
bit0
SCK
(CKP = 0)
SCK
(CKP = 1)
SDO
SDI
SSPIF
bit7
bit0
bit6
bit5
bit4
bit3
bit2
bit1
bit0
SS
Applicable Devices
72 73 73A 74 74A 76 77
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