PIC17C756A-33/PT Microchip Technology, PIC17C756A-33/PT Datasheet - Page 89
![IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,QFP,64PIN,PLASTIC](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC17C756A-33/PT
Manufacturer Part Number
PIC17C756A-33/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,QFP,64PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C752-16L.pdf
(304 pages)
3.PIC17C752-16L.pdf
(6 pages)
Specifications of PIC17C756A-33/PT
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
33MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
32KB (16K x 16)
Program Memory Type
OTP
Ram Size
902 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
64-TFQFP
Processor Series
PIC17C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
902 B
Interface Type
I2C, MSSP, RS- 232, SCI, SPI, USART
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
50
Number Of Timers
8
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
12 bit
Data Rom Size
902 B
Height
1 mm
Length
10 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C756A-33/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 89 of 304
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10.8
PORTH is an 8-bit wide, bi-directional port. The corre-
sponding data direction register is DDRH. A ’1’ in
DDRH configures the corresponding port pin as an
input. A ’0’ in the DDRH register configures the corre-
sponding port pin as an output. Reading PORTH reads
the status of the pins, whereas writing to PORTH will
write to the respective port latch.
The upper four bits of PORTH are multiplexed with
4 channels of the 10-bit A/D converter.
The remaining bits of PORTH are general purpose I/O.
Upon RESET, RH7:RH4 are automatically configured
as analog inputs and must be configured in software to
be a digital I/O.
FIGURE 10-17:
2000 Microchip Technology Inc.
WR PORTH
WR DDRH
RD PORT
PCFG3:PCFG0
V
CHS3:CHS0
Note: I/O pins have protection diodes to V
Data Bus
AIN
PORTH and DDRH Registers
(PIC17C76X only)
BLOCK DIAGRAM OF RH7:RH4
Data Latch
DDRH Latch
D
CK
D
CK
RD DDRH
Q
Q
Q
Q
DD
and V
SS
Q
.
To other pads
To other pads
EN
EN
D
EXAMPLE 10-8:
MOVLB
MOVLW
MOVPF
CLRF
MOVLW
MOVWF
8
0x0E
ADCON1
PORTH, F
0x03
DDRH
V
V
P
N
DD
SS
INITIALIZING PORTH
PIC17C7XX
; Select Bank 8
; Configure PORTH as
; digital
; Initialize PORTH data
;
;
;
; Value used to init
;
; Set RH<1:0> as inputs
;
latches before
the data direction
register
data direction
RH<7:2> as outputs
ST
Input
Buffer
DS30289B-page 89
I/O pin
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