PIC16F84AT-04I/SS Microchip Technology, PIC16F84AT-04I/SS Datasheet - Page 465
![IC MCU FLASH 1KX14 EE 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16F84AT-04I/SS
Manufacturer Part Number
PIC16F84AT-04I/SS
Description
IC MCU FLASH 1KX14 EE 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC16F84A-04P.pdf
(88 pages)
3.PIC16F84A-04P.pdf
(6 pages)
Specifications of PIC16F84AT-04I/SS
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
68 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SSOP
For Use With
XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
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25.3.2
1997 Microchip Technology Inc.
Multiplex Timing Generation
The timing generation circuitry will generate 1 to 4 common’s based on the display mode
selected. The mode is specified by bits LMUX1:LMUX0 (LCDCON<1:0>).
formulas for calculating the frame frequency.
Table 25-1: Frame Frequency Formulas
Table 25-2: Approximate Frame Frequency in Hz using Timer1 @ 32.768 kHz or
Table 25-3: Approximate Frame Frequency in Hz using internal RC osc @ 14 kHz
Multiplex Frame Frequency =
Static
LP3:LP0
LP3:LP0
1/2
1/3
1/4
2
3
4
5
6
7
0
1
2
3
Clock source / (128 * (LP3:LP0 + 1))
Clock source / (128 * (LP3:LP0 + 1))
Clock source / (96 * (LP3:LP0 + 1))
Clock source / (128 * (LP3:LP0 + 1))
Fosc @ 8 MHz
Static
Static
109
55
36
27
85
64
51
43
37
32
109
1/2
55
36
27
1/2
85
64
51
43
37
32
146
114
1/3
1/3
73
49
36
85
68
57
49
43
109
1/4
1/4
55
36
27
85
64
51
43
37
32
Section 25. LCD
Table 25-1
DS31025A-page 25-7
shows the
25
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