PIC17C766-16/L Microchip Technology, PIC17C766-16/L Datasheet - Page 74
![IC MCU OTP 16KX16 A/D 84PLCC](/photos/12/13/121359/c04-093_l_sml.jpg)
PIC17C766-16/L
Manufacturer Part Number
PIC17C766-16/L
Description
IC MCU OTP 16KX16 A/D 84PLCC
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 PIC17C766-16/L
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Core Processor
PIC
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Number Of I /o
66
Program Memory Type
OTP
Ram Size
902 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
84-PLCC
Controller Family/series
PIC17
No. Of I/o's
66
Ram Memory Size
902Byte
Cpu Speed
16MHz
No. Of Timers
4
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
16 MHz
Number Of Programmable I/os
66
Number Of Timers
8
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ICE2000, DM173001
Minimum Operating Temperature
0 C
On-chip Adc
16 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164318 - MODULE SKT MPLAB PM3 84PLCCDVA17XL841 - DEVICE ADAPTER FOR PIC17C762DM173001 - KIT DEVELOPMENT PICDEM17AC164027 - ADAPTER PICSTART PLUS 84PLCCAC174012 - MODULE SKT PROMATEII 84PLCC
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C766-16/L
Manufacturer:
Microchip
Quantity:
199
Company:
Part Number:
PIC17C766-16/L
Manufacturer:
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Quantity:
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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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