PIC14000T-20I/SO Microchip Technology, PIC14000T-20I/SO Datasheet - Page 18
![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: 18 of 153
- Download datasheet (767Kb)
PIC14000
4.2.2.2
The OPTION register (Address 81h) is a readable and
writable register which contains various control bits to
configure the TMR0/WDT prescaler, TMR0, and the
weak pull-ups on PORTC<5:0>. Bit 6 is reserved.
FIGURE 4-4:
DS40122B-page 18
bit7
RCPU
R/W
OPTION REGISTER
R/W
r
OPTION REGISTER
T0CS T0SE
R/W
R/W
PSA
R/W
PS2 PS1
R/W R/W
T0SE: TMR0 source edge
T0CS: TMR0 clock source
1 = Transition on RC3/T0CKI pin
Reserved. This bit should be programmed as a ‘1’. Use of this bit as
general purpose read/write is not recommended since this may affect
upward compatibility with future products.
PSA: Prescaler assignment bit
0 = Internal instruction cycle clock (CLKOUT)
RCPU: PORTC pull-up enable
PS2:PS0
1 = Prescaler assigned to the WDT
0 = Prescaler assigned to TMR0
1 = Increment on high-to-low transition on RC3/T0CKI pin
0 = Increment on low-to-high transition on RC3/T0CKI pin
1 = PORTC pull-ups are disabled overriding any port latch value (RC<5:0> only)
0 = PORTC pull-ups are enabled by individual port-latch values (RC<5:0>)
PS0
R/W
Preliminary
bit0
PS2
PRESCALER VALUE
Register:
Address:
POR value:
0
0
0
0
1
1
1
1
PS1
Note:
0
0
1
1
0
0
1
1
OPTION
PS0
0
1
0
1
0
1
0
1
81h
FFh
To achieve a 1:1 prescaler assignment,
assign the prescaler to the WDT (PSA=1)
TMR0 RATE
W:
R:
U:
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
Writable
Readable
Unimplemented.
Read as '0'
1996 Microchip Technology Inc.
WDT RATE
1 : 1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
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