PIC17C44-33/PT Microchip Technology, PIC17C44-33/PT Datasheet - Page 48
![IC MCU OTP 8KX16 PWM 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC17C44-33/PT
Manufacturer Part Number
PIC17C44-33/PT
Description
IC MCU OTP 8KX16 PWM 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C42A-16P.pdf
(241 pages)
3.PIC17C44-16L.pdf
(4 pages)
Specifications of PIC17C44-33/PT
Core Processor
PIC
Core Size
8-Bit
Speed
33MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
16KB (8K x 16)
Program Memory Type
OTP
Ram Size
454 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
PIC17C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
454 B
Interface Type
SCI, USART
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
33
Number Of Timers
8
Operating Supply Voltage
2.5 V to 6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
0 C
For Use With
AC164315 - MODULE SKT MPLAB PM3 44TQFP309-1008 - ADAPTER 44-TQFP TO 40-DIPAC174005 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C44-33/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC17C4X
7.3
The table read allows the program memory to be read.
This allows constant data to be stored in the program
memory space, and retrieved into data memory when
needed. Example 7-2 reads the 16-bit value at pro-
gram memory address TBLPTR. After the dummy byte
has been read from the TABLATH, the TABLATH is
loaded with the 16-bit data from program memory
address TBLPTR + 1. The first read loads the data into
the latch, and can be considered a dummy read
(unknown data loaded into 'f'). INDF0 should be con-
figured for either auto-increment or auto-decrement.
FIGURE 7-7:
FIGURE 7-8:
DS30412C-page 48
Instruction
fetched
AD15:AD0
Instruction
executed
Table Reads
WR
ALE
OE
AD15:AD0
Instruction
fetched
Instruction
executed
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
'1'
TABLRD TIMING
TABLRD TIMING (CONSECUTIVE TABLRD INSTRUCTIONS)
INST (PC-1)
TABLRD1
ALE
PC
WR
OE
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
'1'
TABLRD1 cycle1 TABLRD1 cycle2 TABLRD2 cycle1 TABLRD2 cycle2
INST (PC-1)
TABLRD
TABLRD2
PC
PC+1
TABLRD cycle1
Data read cycle
INST (PC+1)
PC+1
TBL1 Data in 1
EXAMPLE 7-2:
MOVLW
MOVWF
MOVLW
MOVWF
TABLRD
TLRD
TABLRD
INST (PC+2)
Data read cycle
TABLRD cycle2
PC+2
TBL
HIGH (TBL_ADDR) ; Load the Table
TBLPTRH
LOW (TBL_ADDR)
TBLPTRL
0,0,DUMMY
1, INDF0
0,1,INDF0
Data in
Data read cycle
TABLE READ
TBL2 Data in 2
INST (PC+2)
INST (PC+1)
1996 Microchip Technology Inc.
PC+2
;
;
;
; Dummy read,
;
; Read HI byte
;
; Read LO byte
;
;
Updates TABLATCH
address
of TABLATCH
of TABLATCH and
Update TABLATCH
INST (PC+3)
INST (PC+2)
PC+3
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