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PIC16C74-04/L
PIC16C74-04/L | |
|---|---|
| Manufacturer Part Number | PIC16C74-04/L |
| Description | MICRO CTRL 4K 4MHZ OTP 44PLCC |
| Manufacturer | Microchip Technology |
| Series | PIC® 16C |
| PIC16C74-04/L datasheets |
|
Availability: By request
International delivery:
Warranty: 60 days
×
- We provide standard 60-days warranty for all parts. If warranty differs we always mention it beforehand. In case of return we cover shipping costs.
- If you still have any questions - please contact us
×
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- If you still have any questions - please contact us
Specifications of PIC16C74-04/L | |||
|---|---|---|---|
| Core Processor | PIC | Core Size | 8-Bit |
| Speed | 4MHz | Connectivity | I²C, SPI, UART/USART |
| Peripherals | POR, PWM, WDT | Number Of I /o | 33 |
| Program Memory Size | 7KB (4K x 14) | Program Memory Type | OTP |
| Ram Size | 192 x 8 | Voltage - Supply (vcc/vdd) | 4 V ~ 6 V |
| Data Converters | A/D 8x8b | Oscillator Type | External |
| Operating Temperature | 0°C ~ 70°C | Package / Case | 44-PLCC |
| For Use With | DVA16XL441 - ADAPTER DEVICE ICE 44PLCC | Lead Free Status / RoHS Status | Request inventory verification / Request inventory verification |
| Eeprom Size | - | ||
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PrevNext
PIC16C7X
5.3
PORTC and TRISC Registers
Applicable Devices
72 73 73A 74 74A 76 77
PORTC is an 8-bit bi-directional port. Each pin is indi-
vidually configurable as an input or output through the
TRISC register. PORTC is multiplexed with several
peripheral functions (Table 5-5). PORTC pins have
Schmitt Trigger input buffers.
When enabling peripheral functions, care should be
taken in defining TRIS bits for each PORTC pin. Some
peripherals override the TRIS bit to make a pin an out-
put, while other peripherals override the TRIS bit to
make a pin an input. Since the TRIS bit override is in
effect while the peripheral is enabled, read-modify-
write instructions (BSF, BCF, XORWF) with TRISC as
destination should be avoided. The user should refer to
the corresponding peripheral section for the correct
TRIS bit settings.
EXAMPLE 5-3:
INITIALIZING PORTC
BCF
STATUS, RP0
; Select Bank 0
BCF
STATUS, RP1
; PIC16C76/77 only
CLRF
PORTC
; Initialize PORTC by
; clearing output
; data latches
BSF
STATUS, RP0
; Select Bank 1
MOVLW
0xCF
; Value used to
; initialize data
; direction
MOVWF
TRISC
; Set RC<3:0> as inputs
; RC<5:4> as outputs
; RC<7:6> as inputs
TABLE 5-5:
PORTC FUNCTIONS
Name
Bit#
Buffer Type
bit0
RC0/T1OSO/T1CKI
ST
(1)
bit1
ST
RC1/T1OSI/CCP2
RC2/CCP1
bit2
ST
RC3/SCK/SCL
bit3
ST
RC4/SDI/SDA
bit4
ST
RC5/SDO
bit5
ST
(2)
bit6
ST
RC6/TX/CK
(2)
bit7
ST
RC7/RX/DT
Legend: ST = Schmitt Trigger input
Note 1: The CCP2 multiplexed function is not enabled on the PIC16C72.
2: The TX/CK and RX/DT multiplexed functions are not enabled on the PIC16C72.
DS30390E-page 48
FIGURE 5-6:
PORTC BLOCK DIAGRAM
(PERIPHERAL OUTPUT
OVERRIDE)
PORT/PERIPHERAL Select
Peripheral Data Out
Data bus
D
Q
WR
PORT
CK
Q
Data Latch
D
Q
WR
TRIS
Q
CK
TRIS Latch
RD TRIS
Peripheral
(3)
OE
RD
PORT
Peripheral input
Note 1: I/O pins have diode protection to V
2: Port/Peripheral select signal selects between port
data and peripheral output.
3: Peripheral OE (output enable) is only activated if
peripheral select is active.
Function
Input/output port pin or Timer1 oscillator output/Timer1 clock input
Input/output port pin or Timer1 oscillator input or Capture2 input/
Compare2 output/PWM2 output
Input/output port pin or Capture1 input/Compare1 output/PWM1
output
RC3 can also be the synchronous serial clock for both SPI and I
modes.
RC4 can also be the SPI Data In (SPI mode) or data I/O (I
Input/output port pin or Synchronous Serial Port data output
Input/output port pin or USART Asynchronous Transmit, or USART
Synchronous Clock
Input/output port pin or USART Asynchronous Receive, or USART
Synchronous Data
(2)
V
DD
0
P
1
I/O
(1)
pin
N
V
SS
Schmitt
Trigger
Q
D
EN
and V
.
DD
SS
2
C
2
C mode).
1997 Microchip Technology Inc.
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