PIC16F874A-I/PT Microchip Technology, PIC16F874A-I/PT Datasheet - Page 116

• Manufacturer Part Number: PIC16F874A-I/PT
• Description: IC MCU FLASH 4K 20MHZ 44-TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874A-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: I2C/SPI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F87XA
TABLE 10-3:
TABLE 10-4:
DS39582B-page 114
BAUD
BAUD
BAUD
BAUD
RATE
HIGH
RATE
RATE
RATE
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
19.2
28.8
33.6
57.6
19.2
28.8
33.6
57.6
19.2
28.8
33.6
57.6
19.2
28.8
33.6
57.6
(K)
0.3
1.2
2.4
9.6
(K)
0.3
1.2
2.4
9.6
(K)
0.3
1.2
2.4
9.6
(K)
0.3
1.2
2.4
9.6
1250.000
KBAUD
312.500
KBAUD
KBAUD
KBAUD
250.000
19.531
31.250
34.722
62.500
20.833
31.250
62.500
62.500
19.231
29.070
33.784
59.524
19.231
27.798
35.714
62.500
1.221
2.404
9.766
1.221
0.300
1.202
2.404
8.929
0.244
9.615
4.883
1.202
2.404
9.615
0.977
-
-
-
-
-
-
F
F
F
F
OSC
OSC
OSC
OSC
ERROR
ERROR
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 1)
ERROR
ERROR
1.75
0.17
1.73
8.51
3.34
8.51
0.17
0.17
6.99
8.51
8.51
8.51
1.72
0.16
0.16
0.94
0.55
3.34
0.17
0.17
0.16
0.16
3.55
6.29
8.51
%
= 20 MHz
%
= 20 MHz
-
-
-
0
%
-
-
-
= 4 MHz
= 4 MHz
%
-
-
-
-
-
-
-
-
(decimal)
(decimal)
(decimal)
(decimal)
SPBRG
SPBRG
SPBRG
SPBRG
value
value
value
value
255
129
255
207
255
129
255
31
15
207
103
255
51
25
64
42
36
20
9
8
4
0
25
12
6
2
1
0
0
-
-
0
8
6
3
0
-
-
-
-
1000.000
KBAUD
250.000
KBAUD
KBAUD
19.231
27.778
35.714
62.500
KBAUD
19.231
29.412
33.333
58.824
1.202
2.404
9.615
0.977
0.225
230.4
9.615
3.906
19.2
28.8
57.6
57.6
19.2
28.8
32.9
57.6
0.3
1.2
2.4
9.6
1.2
2.4
9.6
0.9
-
-
-
-
-
-
F
F
OSC
OSC
F
F
OSC
OSC
ERROR
ERROR
ERROR
ERROR
= 3.6864 MHz
= 3.6864 MHz
0.17
0.17
0.16
0.16
3.55
6.29
8.51
2.04
0.16
0.16
2.13
0.79
2.13
= 16 MHz
%
%
= 16 MHz
%
-
-
-
0
0
0
0
0
0
0
%
-
-
-
0
0
0
0
0
0
-
-
-
-
-
-
-
(decimal)
(decimal)
(decimal)
(decimal)
SPBRG
SPBRG
SPBRG
SPBRG
value
value
value
value
191
255
207
103
255
191
255
103
255
25
12
47
23
95
23
11
51
33
29
16
8
6
3
0
7
6
3
0
-
5
2
1
0
0
-
-
0
-
-
-
KBAUD
156.250
19.531
31.250
31.250
52.083
KBAUD
625.000
1.202
2.404
9.766
0.610
19.531
28.409
32.895
56.818
2.441
9.615
2.441
-
-
-
F
F
OSC
OSC
ERROR
ERROR
0.17
0.17
1.73
1.72
8.51
6.99
9.58
%
1.71
0.16
1.72
1.36
2.10
1.36
= 10 MHz
-
-
-
= 10 MHz
%
-
-
-
-
(decimal)
SPBRG
(decimal)
SPBRG
value
129
255
value
64
15
255
255
7
4
4
2
0
-
64
31
21
18
10
 2003 Microchip Technology Inc.
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