PIC17C752-33I/PT Microchip Technology, PIC17C752-33I/PT Datasheet - Page 74
![IC MCU OTP 8KX16 A/D PWM 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC17C752-33I/PT
Manufacturer Part Number
PIC17C752-33I/PT
Description
IC MCU OTP 8KX16 A/D PWM 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C752-16L.pdf
(304 pages)
3.PIC17C752-16L.pdf
(4 pages)
4.PIC17C752-16L.pdf
(6 pages)
Specifications of PIC17C752-33I/PT
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
16KB (8K x 16)
Program Memory Type
OTP
Ram Size
454 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Processor Series
PIC17C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
678 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
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ICE2000, DM173001
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit
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:
PIC17C752-33I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC17C752-16L PDF datasheet #2
- PIC17C752-16L PDF datasheet #3
- PIC17C752-16L PDF datasheet #4
- Current page: 74 of 304
- Download datasheet (6Mb)
PIC17C7XX
10.2
PORTB is an 8-bit wide, bi-directional port. The corre-
sponding data direction register is DDRB. A ’1’ in DDRB
configures the corresponding port pin as an input. A ’0’
in the DDRB register configures the corresponding port
pin as an output. Reading PORTB reads the status of
the pins, whereas writing to PORTB will write to the port
latch.
Each of the PORTB pins has a weak internal pull-up. A
single control bit can turn on all the pull-ups. This is
done by clearing the RBPU (PORTA<7>) bit. The weak
pull-up is automatically turned off when the port pin is
configured as an output. The pull-ups are enabled on
any RESET.
PORTB also has an interrupt-on-change feature. Only
pins configured as inputs can cause this interrupt to
occur (i.e., any RB7:RB0 pin configured as an output is
excluded from the interrupt-on-change comparison).
The input pins (of RB7:RB0) are compared with the
value in the PORTB data latch. The “mismatch” outputs
of RB7:RB0 are OR’d together to set the PORTB Inter-
rupt Flag bit, RBIF (PIR1<7>).
FIGURE 10-5:
DS30289B-page 74
Note: I/O pins have protection diodes to V
Weak
Pull-up
PORTB and DDRB Registers
OE
BLOCK DIAGRAM OF RB5:RB4 AND RB1:RB0 PORT PINS
DD
and V
Port
Input Latch
SS
Port
Data
.
Q
This interrupt can wake the device from SLEEP. The
user, in the Interrupt Service Routine, can clear the
interrupt by:
a)
b)
A mismatch condition will continue to set the RBIF bit.
Reading, then writing PORTB, will end the mismatch
condition and allow the RBIF bit to be cleared.
This interrupt-on-mismatch feature, together with soft-
ware configurable pull-ups on this port, allows easy
interface to a keypad and makes it possible for wake-
up on key depression. For an example, refer to Appli-
cation Note AN552, “Implementing Wake-up on
Keystroke.”
The interrupt-on-change feature is recommended for
wake-up on operations, where PORTB is only used for
the interrupt-on-change feature and key depression
operations.
Note:
CK
Read-Write PORTB (such as: MOVPF PORTB,
PORTB). This will end the mismatch condition.
Then, clear the RBIF bit.
D
On a device RESET, the RBIF bit is inde-
terminate, since the value in the latch may
be different than the pin.
Match Signal
from other
port pins
Q
CK
2000 Microchip Technology Inc.
D
Peripheral Data In
RBPU
WR_PORTB (Q4)
RD_PORTB (Q2)
WR_DDRB (Q4)
RD_DDRB (Q2)
(PORTA<7>)
Data Bus
RBIF
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