PIC16F74T-IPT 查看數據表（PDF） - Microchip Technology
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PIC16F74T-IPT Datasheet PDF : 174 Pages
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PIC16F7X
1.0 DEVICE OVERVIEW
This document contains device specific information
about the following devices:
• PIC16F73
• PIC16F74
• PIC16F76
• PIC16F77
PIC16F73/76 devices are available only in 28-pin pack-
ages, while PIC16F74/77 devices are available in
40-pin and 44-pin packages. All devices in the
PIC16F7X family share common architecture, with the
following differences:
• The PIC16F73 and PIC16F76 have one-half of
the total on-chip memory of the PIC16F74 and
PIC16F77
• The 28-pin devices have 3 I/O ports, while the
40/44-pin devices have 5
• The 28-pin devices have 11 interrupts, while the
40/44-pin devices have 12
• The 28-pin devices have 5 A/D input channels,
while the 40/44-pin devices have 8
• The Parallel Slave Port is implemented only on
the 40/44-pin devices
The available features are summarized in Table 1-1.
Block diagrams of the PIC16F73/76 and PIC16F74/77
devices are provided in Figure 1-1 and Figure 1-2,
respectively. The pinouts for these device families are
listed in Table 1-2 and Table 1-3.
Additional information may be found in the PICmicro™
Mid-Range Reference Manual (DS33023), which may
be obtained from your local Microchip Sales Represen-
tative or downloaded from the Microchip website. The
Reference Manual should be considered a complemen-
tary document to this data sheet, and is highly recom-
mended reading for a better understanding of the device
architecture and operation of the peripheral modules.
TABLE 1-1: PIC16F7X DEVICE FEATURES
Key Features
Operating Frequency
RESETS (and Delays)
FLASH Program Memory
(14-bit words)
Data Memory (bytes)
Interrupts
I/O Ports
Timers
Capture/Compare/PWM Modules
Serial Communications
Parallel Communications
8-bit Analog-to-Digital Module
Instruction Set
Packaging
PIC16F73
DC - 20 MHz
POR, BOR
(PWRT, OST)
4K
PIC16F74
DC - 20 MHz
POR, BOR
(PWRT, OST)
4K
PIC16F76
DC - 20 MHz
POR, BOR
(PWRT, OST)
8K
PIC16F77
DC - 20 MHz
POR, BOR
(PWRT, OST)
8K
192
192
368
368
11
12
11
12
Ports A,B,C Ports A,B,C,D,E Ports A,B,C Ports A,B,C,D,E
3
3
3
3
2
2
2
2
SSP, USART SSP, USART SSP, USART SSP, USART
—
PSP
—
PSP
5 Input Channels 8 Input Channels 5 Input Channels 8 Input Channels
35 Instructions 35 Instructions 35 Instructions 35 Instructions
28-pin DIP
28-pin SOIC
28-pin SSOP
28-pin MLF
40-pin PDIP
44-pin PLCC
44-pin TQFP
28-pin DIP
28-pin SOIC
28-pin SSOP
28-pin MLF
40-pin PDIP
44-pin PLCC
44-pin TQFP
2002 Microchip Technology Inc.
DS30325B-page 5
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