PIC16F639-I/SO Microchip Technology, PIC16F639-I/SO Datasheet - Page 122
PIC16F639-I/SO
Manufacturer Part Number
PIC16F639-I/SO
Description
IC MCU FLASH 2KX14 20SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC12F635-ISN.pdf
(234 pages)
3.PIC16F636-ISL.pdf
(8 pages)
4.PIC16F636-ISL.pdf
(4 pages)
5.PIC16F639-ISS.pdf
(6 pages)
Specifications of PIC16F639-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, LVD, POR, WDT
Number Of I /o
11
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
For Use With
AC162066 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
- PIC16F616T-ISL PDF datasheet
- PIC12F635-ISN PDF datasheet #2
- PIC16F636-ISL PDF datasheet #3
- PIC16F636-ISL PDF datasheet #4
- PIC16F639-ISS PDF datasheet #5
- Current page: 122 of 234
- Download datasheet (4Mb)
PIC12F635/PIC16F636/639
FIGURE 11-18:
DS41232D-page 120
LFDATA/RSSI/
MCU SPI Read Details:
1.
2.
3.
4.
5.
6.
SCLK/ALERT
Note:
CCLK/SDIO
Drive the AFE’s open collector ALERT output low.
•
Drop CS
•
•
Change LFDATA/RSSI/CCLK/SDIO connected pin to output.
•
Clock in 16-bit SPI Read sequence.
•
Change LFDATA/RSSI/CCLK/SDIO connected pin to input.
Raise CS to complete the SPI Read entry of command and address.
CS
To ensure no false clocks occur when CS drops.
AFE SCLK/ALERT becomes SCLK input.
LFDATA/RSSI/CCLK/SDIO becomes SDI input.
Driving SPI data.
Command, address and dummy data.
(output)
ALERT
The T
Configuration register data appears at 6th clock after T
LFDATA
(output)
1
CSH
(input)
(input)
SCLK
SDI
T
2
CSSC
is considered as one clock. Therefore, the
SPI READ SEQUENCE
T
SU
MSb
T
3
HD
4
16 Clocks for Read Command,
Address and Dummy Data
T
1/F
HI
SCLK
T
LO
CSH
LSb
.
T
SCCS
6
5
7.
8.
9.
10.
T
LFDATA
(output)
CS
(output)
ALERT
1
T
Drop CS.
•
•
Clock out 16-bit SPI Read result.
•
•
•
Raise CS to complete the SPI Read.
Change SCLK/ALERT back to input.
CSH
T
CS
AFE SCLK/ALERT becomes SCLK input.
LFDATA/RSSI/CCLK/SDIO becomes SDO output.
First seven bits clocked-out are dummy bits.
Next eight bits are the Configuration register data.
The last bit is the Configuration register row parity bit.
0
(input)
(output)
SCLK
T
SDO
7
CSSC
8
16 Clocks for Read Result
© 2007 Microchip Technology Inc.
T
DO
T
CSSC
9
T
LFDATA
(output)
CS
(output)
1
ALERT
10
T
CSH
T
CS
0
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