PIC14000T-20I/SO Microchip Technology, PIC14000T-20I/SO Datasheet - Page 66
![IC MCU OTP 4KX14 A/D 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC14000T-20I/SO
Manufacturer Part Number
PIC14000T-20I/SO
Description
IC MCU OTP 4KX14 A/D 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 14r
Datasheets
1.PIC16LF627A-IP.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC14000-04SO.pdf
(153 pages)
4.PIC14000-04SO.pdf
(5 pages)
Specifications of PIC14000T-20I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C
Peripherals
POR, Temp Sensor, WDT
Number Of I /o
20
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Data Converters
Slope A/D
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Data Bus Width
8 bit
Data Ram Size
192 B
Interface Type
SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
22
Number Of Timers
1
Operating Supply Voltage
2.7 V to 6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
14 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- PIC16LF627A-IP PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC14000-04SO PDF datasheet #3
- PIC14000-04SO PDF datasheet #4
- Current page: 66 of 153
- Download datasheet (767Kb)
PIC14000
FIGURE 9-1:
9.3
The slope reference voltage divider circuit, consisting
of a buffer amplifier and resistor divider, is connected to
the internal bandgap reference producing two other
voltage references called SREFHI and SREFLO (see
Figure 9-2). SREFHI is nominally the same as the
bandgap voltage, 1.2V, and SREFLO is nominally
0.13V. These reference voltages are available on two
of the analog multiplexer channels. The A/D module
and firmware can measure the SREFHI and SREFLO
voltages, and in conjunction with the K
ibration data correct for the A/D's offset and slope
errors. See AN624 for further details.
DS40122B-page 66
ADZERO
(ADCON<0>)
LSOFF
(SLPCON<4>)
Slope Reference Voltage Divider
Input Protection
Diodes
RA1/AN1
RD5/AN5
LEVEL-SHIFT NETWORKS
V
DD
REF
*
and K
*These switches are a matched pair
(SLPCON<4>)
LSOFF
BG
cal-
Preliminary
*
(nominal)
100 k
9.4
The internal temperature sensor is connected to the
channel 7 input of the A/D converter. The sensor volt-
age is 1.05V nominal at 25 C and its temperature coef-
ficient is approximately 3.7mV/ C. The sensor voltage
at 25 C and the temperature coefficient values are
stored in the calibration space EPROM (See
Table 4-2). To enable the temperature sensor, the
TEMPOFF bit (SLPCON<1>) must be cleared.
V
DD
Internal Temperature Sensor
5 A (nominal)
1996 Microchip Technology Inc.
To A/D mux,
programmable
reference
comparators
External
Capacitor
(Optional)
SUM
RA1/AN1 only
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