PIC16F870-I/SP Microchip Technology Inc., PIC16F870-I/SP Datasheet - Page 42
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PIC16F870-I/SP
Manufacturer Part Number
PIC16F870-I/SP
Description
28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F870-ISP.pdf
(172 pages)
Specifications of PIC16F870-I/SP
A/d Inputs
5-Channel, 10-Bit
Cpu Speed
5 MIPS
Eeprom Memory
64 Bytes
Input Output
22
Interface
USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SPDIP
Programmable Memory
3.5K Bytes
Ram Size
128 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F870-I/SP
Manufacturer:
MICROCHIP
Quantity:
5 600
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- Download datasheet (4Mb)
PIC16F870/871
REGISTER 4-1:
DS30569B-page 40
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
TRISE REGISTER (ADDRESS: 89h)
bit 7
Parallel Slave Port Status/Control Bits
IBF: Input Buffer Full Status bit
1 = A word has been received and is waiting to be read by the CPU
0 = No word has been received
OBF: Output Buffer Full Status bit
1 = The output buffer still holds a previously written word
0 = The output buffer has been read
IBOV: Input Buffer Overflow Detect bit (in Microprocessor mode)
1 = A write occurred when a previously input word has not been read
0 = No overflow occurred
PSPMODE: Parallel Slave Port Mode Select bit
1 = Parallel Slave Port mode
0 = General Purpose I/O mode
Unimplemented: Read as '0'
PORTE Data Direction Bits
Bit2: Direction Control bit for pin RE2/CS/AN7
1 = Input
0 = Output
Bit1: Direction Control bit for pin RE1/WR/AN6
1 = Input
0 = Output
Bit0: Direction Control bit for pin RE0/RD/AN5
1 = Input
0 = Output
Legend:
R = Readable bit
- n = Value at POR
R-0
IBF
(must be cleared in software)
OBF
R-0
R/W-0
IBOV
W = Writable bit
‘1’ = Bit is set
PSPMODE
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
R/W-1
Bit2
2003 Microchip Technology Inc.
x = Bit is unknown
R/W-1
Bit1
R/W-1
Bit0
bit 0
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