PIC16F870-I/SS Microchip Technology, PIC16F870-I/SS Datasheet - Page 349
![IC MCU FLASH 2KX14 EE 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC16F870-I/SS
Manufacturer Part Number
PIC16F870-I/SS
Description
IC MCU FLASH 2KX14 EE 28SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F870-ISO.pdf
(172 pages)
4.PIC16F870-ISO.pdf
(6 pages)
Specifications of PIC16F870-I/SS
Core Size
8-Bit
Program Memory Size
3.5KB (2K x 14)
Core Processor
PIC
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Controller Family/series
PIC16F
No. Of I/o's
22
Eeprom Memory Size
64Byte
Ram Memory Size
128Byte
Cpu Speed
20MHz
No. Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
22
Number Of Timers
8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
28 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F871 - BOARD DAUGHTER ICEPIC3AC164307 - MODULE SKT FOR PM3 28SSOPAC164020 - MODULE SKT PROMATEII 44TQFPXLT28SS-1 - SOCKET TRANSITION ICE 28SSOP
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F870-I/SS
Manufacturer:
EPCOS
Quantity:
1 000
Part Number:
PIC16F870-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 349 of 688
- Download datasheet (3Mb)
18.4.3
18.4.3.1
1997 Microchip Technology Inc.
(RX/DT pin)
(RX/DT pin)
baud CLK
baud CLK
Sampling
Device Exceptions
x16 CLK
x16 CLK
RX
RX
The data on the RX/DT pin is sampled three times by a majority detect circuit to determine if a
high or a low level is present at the RX pin.
circuit. The sampling operates the same regardless of the state of the BRGH bit, only the source
of the x16 clock is different.
Figure 18-6:
All new devices will use the sampling scheme shown in
tion to the above sampling scheme are:
• PIC16C63
• PIC16C65
• PIC16C65A
• PIC16C73
• PIC16C73A
• PIC16C74
• PIC16C74A
These devices have a sampling circuitry that works as follows. If the BRGH bit (TXSTA<2>) is
clear (i.e., at the low baud rates), the sampling is done on the seventh, eighth and ninth falling
edges of a x16 clock
is done on the 3 clock edges preceding the second rising edge after the first falling edge of a x4
clock
Figure 18-7:
1
1
(Figure 18-8
2
2
3
3
4
4
RX Pin Sampling Scheme, BRGH = 0 or BRGH = 1
RX Pin Sampling Scheme (BRGH = 0)
and
(Figure
5
5
Figure
6
6
18-7). If bit BRGH is set (i.e., at the high baud rates), the sampling
18-9).
7
7
Samples
Samples
8
8
9
9
Start bit
Start bit
Figure 18-6
10
10
Section 18. USART
11
11
Baud CLK for all but start bit
Baud CLK for all but start bit
12
12
Figure
shows the waveform for the sampling
13
13
18-6. Devices that have an excep-
14
14
15
15
16
16
DS31018A-page 18-13
1
1
2
2
Bit0
Bit0
3
3
18
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