PIC12F635T-I/MD Microchip Technology, PIC12F635T-I/MD Datasheet - Page 124
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PIC12F635T-I/MD
Manufacturer Part Number
PIC12F635T-I/MD
Description
1.75 KB Flash, 64 RAM, 6 I/O 8 DFN 4x4mm T/R
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Specifications of PIC12F635T-I/MD
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 ~ 85°C
Package / Case
8-DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164326 - MODULA SKT PM3 20QFNXLT08DFN2 - SOCKET TRANSITION ICE 14DIP/8DFNXLT08DFN - SOCKET TRANSITION ICE 8DFN
Data Converters
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC12F635/PIC16F636/639
FIGURE 11-19:
11.32.2.1
This command results in activating (turning on) the
modulation transistors of all enabled channels; channels
enabled in Configuration Register 0 (Register 11-1).
11.32.2.2
This command results in de-activating (turning off) the
modulation transistors of all channels.
11.32.2.3
This command places the AFE in Sleep mode –
minimizing current draw by disabling all but the
essential circuitry. Any other command wakes the AFE
(example: Clamp Off command).
11.32.2.4
The AFE issues a Soft Reset when it receives an
external Soft Reset command. The external Soft Reset
command is typically used to end a SPI communication
sequence or to initialize the AFE for the next signal
detection sequence, etc. See Section 11.20 “Soft
Reset” for more details on Soft Reset.
If a Soft Reset command is sent during a “Clamp-on”
condition, the AFE still keeps the “Clamp-on” condition
after the Soft Reset execution. The Soft Reset is
executed in Active mode only, not in Standby mode.
The SPI Soft Reset command is ignored if the AFE is
not in Active mode.
DS41232D-page 122
SCLK
SDIO
CS
Clamp On Command
Clamp Off Command
Sleep Command
Soft Reset Command
DETAILED SPI INTERFACE TIMING (AFE)
MSb
1
Command
2
3
4
Address
5
6
7
8
11.32.2.5
This command results in preserving the AGC level
during each AGC settling time and apply the value to
the data slicing circuit for the following data stream. The
preserved AGC value is reset by a Soft Reset, and a
new AGC value is acquired and preserved when it
starts a new AGC settling time. This feature is disabled
by an AGC Preserve Off command (see Section 11.19
“AGC Preserve”).
11.32.2.6
This command disables the AGC preserve feature and
returns the AFE to the normal AGC tracking mode, fast
tracking during AGC settling time and slow tracking
after that (see Section 11.19 “AGC Preserve”).
11.32.3
The AFE includes 8 Configuration registers, including a
column parity register and AFE Status Register. All
registers are readable and writable via SPI, except
STATUS register, which is readable only. Bit 0 of each
register is a row parity bit (except for the AFE Status
Register 7) that makes the register contents an odd
number.
9
10
Data Byte
11
CONFIGURATION REGISTERS
AGC Preserve On Command
AGC Preserve Off Command
12
13
© 2007 Microchip Technology Inc.
14
15
Parity Bit
Row
LSb
16
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