PIC12F635-E/MF Microchip Technology, PIC12F635-E/MF Datasheet - Page 121
PIC12F635-E/MF
Manufacturer Part Number
PIC12F635-E/MF
Description
IC MCU FLASH 1KX14 8DFN
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Specifications of PIC12F635-E/MF
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
5
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
8-DFN
For Use With
AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNXLT08DFN2 - SOCKET TRANSITION ICE 14DIP/8DFNAC162057 - MPLAB ICD 2 HEADER 14DIPXLT08DFN - SOCKET TRANSITION ICE 8DFNAC164032 - ADAPTER PICSTART PLUS 8DFN/DIPAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
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FIGURE 11-17:
© 2007 Microchip Technology Inc.
LFDATA/RSSI/
MCU SPI Write Details:
1.
2.
3.
4.
5.
6.
7.
CCLK/SDIO
ALERT
SCLK/
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 Write sequence - command, address, data and parity bit.
•
Change LFDATA/RSSI/CCLK/SDIO connected pin to input.
Raise CS to complete the SPI Write.
Change SCLK/ALERT back to input.
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, data and parity bit.
(output)
ALERT
LFDATA
(output)
1
SPI WRITE SEQUENCE
(input)
2
SCLK
(input)
T
CSSC
SDI
T
3
SU
MSb
T
HD
4
16 Clocks for Write Command, Address and Data
PIC12F635/PIC16F636/639
T
HI
1/F
SCLK
T
LO
LSb
T
SCCS
5
6
T
LFDATA
(output)
CS
1
(output)
DS41232D-page 119
ALERT
T
7
CSH
T
CS
0
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