PIC17LC752T-08/L Microchip Technology, PIC17LC752T-08/L Datasheet - Page 84
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PIC17LC752T-08/L
Manufacturer Part Number
PIC17LC752T-08/L
Description
IC MCU OTP 8KX16 A/D 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Specifications of PIC17LC752T-08/L
Core Processor
PIC
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
16KB (8K x 16)
Program Memory Type
OTP
Ram Size
678 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17LC752T-08/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC17C7XX
10.6
PORTF is an 8-bit wide bi-directional port. The corre-
sponding data direction register is DDRF. A ’1’ in DDRF
configures the corresponding port pin as an input. A ’0’
in the DDRF register configures the corresponding port
pin as an output. Reading PORTF reads the status of
the pins, whereas writing to PORTF will write to the
respective port latch.
All eight bits of PORTF are multiplexed with 8 channels
of the 10-bit A/D converter.
Upon RESET, the entire Port is automatically config-
ured as analog inputs and must be configured in soft-
ware to be a digital I/O.
FIGURE 10-13:
DS30289B-page 84
Note: I/O pins have protection diodes to V
WR PORTF
WR DDRF
RD PORTF
Data Bus
V
AIN
PORTF and DDRF Registers
PCFG3:PCFG0
CHS3:CHS0
BLOCK DIAGRAM OF RF7:RF0
Data Latch
DDRF Latch
D
CK
D
CK
RD DDRF
Q
Q
Q
Q
DD
and V
SS
Q
.
EN
EN
D
Example 10-6 shows an instruction sequence to initial-
ize PORTF. The Bank Select Register (BSR) must be
selected to Bank 5 for the port to be initialized. The fol-
lowing example uses the MOVLB instruction to load the
BSR register for bank selection.
EXAMPLE 10-6:
To other pads
To other pads
MOVLB
MOVWF
MOVWF
CLRF
MOVLW
MOVWF
5
0x0E
ADCON1
PORTF, F
0x03
DDRF
V
V
P
N
DD
SS
INITIALIZING PORTF
; Select Bank 5
; Configure PORTF as
; Digital
; Initialize PORTF data
;
;
;
; Value used to init
;
; Set RF<1:0> as inputs
;
2000 Microchip Technology Inc.
latches before
the data direction
register
data direction
RF<7:2> as outputs
ST
Input
Buffer
I/O pin
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