PIC18F4220-I/ML Microchip Technology, PIC18F4220-I/ML Datasheet - Page 109
![IC MCU FLASH 2KX16 EEPROM 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F4220-I/ML
Manufacturer Part Number
PIC18F4220-I/ML
Description
IC MCU FLASH 2KX16 EEPROM 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F1320-ISS.pdf
(36 pages)
3.PIC18F2220-ISO.pdf
(394 pages)
4.PIC18F2220-ISO.pdf
(6 pages)
5.PIC18F2220-ISO.pdf
(6 pages)
6.PIC18F2220-ISO.pdf
(8 pages)
7.PIC18F2220-ISO.pdf
(6 pages)
8.PIC18F2220-ISO.pdf
(6 pages)
Specifications of PIC18F4220-I/ML
Core Size
8-Bit
Program Memory Size
4KB (2K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Controller Family/series
PIC18
No. Of I/o's
36
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With
XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F1320-ISS PDF datasheet #2
- PIC18F2220-ISO PDF datasheet #3
- PIC18F2220-ISO PDF datasheet #4
- PIC18F2220-ISO PDF datasheet #5
- PIC18F2220-ISO PDF datasheet #6
- PIC18F2220-ISO PDF datasheet #7
- PIC18F2220-ISO PDF datasheet #8
- Current page: 109 of 394
- Download datasheet (7Mb)
10.3
PORTC is an 8-bit wide, bidirectional port. The corre-
sponding Data Direction register is TRISC. Setting a
TRISC bit (= 1) will make the corresponding PORTC
pin an input (i.e., put the corresponding output driver in
a high-impedance mode). Clearing a TRISC bit (= 0)
will make the corresponding PORTC pin an output (i.e.,
put the contents of the output latch on the selected pin).
The Data Latch register (LATC) is also memory
mapped. Read-modify-write operations on the LATC
register read and write the latched output value for
PORTC.
PORTC is multiplexed with several peripheral functions
(Table 10-5). The pins have Schmitt Trigger input buff-
ers. RC1 is normally configured by Configuration bit,
CCP2MX (CONFIG3H<0>), as the default peripheral
pin of the CCP2 module (default/erased state,
CCP2MX = 1).
When enabling peripheral functions, care should be
taken in defining TRIS bits for each PORTC pin. Some
peripherals override the TRIS bit to make a pin an output,
while other peripherals override the TRIS bit to make a
pin an input. The user should refer to the corresponding
peripheral section for the correct TRIS bit settings.
FIGURE 10-10:
© 2007 Microchip Technology Inc.
PORTC, TRISC and LATC
Registers
Note 1:
2:
3:
PORTC BLOCK DIAGRAM (PERIPHERAL OUTPUT OVERRIDE)
Port/Peripheral Select
Peripheral Data Out
RD LATC
Data Bus
WR LATC or
WR PORTC
WR TRISC
RD TRISC
Peripheral Output
Enable
RD PORTC
Peripheral Data In
I/O pins have diode protection to V
Port/Peripheral Select signal selects between port data (output) and peripheral output.
Peripheral Output Enable is only active if Peripheral Select is active.
(3)
(2)
PIC18F2220/2320/4220/4320
TRIS Latch
Data Latch
D
D
CK
CK
DD
Q
Q
Q
Q
and V
SS
.
The contents of the TRISC register are affected by
peripheral overrides. Reading TRISC always returns
the current contents even though a peripheral device
may be overriding one or more of the pins.
EXAMPLE 10-3:
0
1
CLRF
CLRF
MOVLW
MOVWF
Note:
Q
EN
D
PORTC
LATC
0xCF
TRISC
On a Power-on Reset, these pins are
configured as digital inputs.
V
V
P
N
DD
SS
INITIALIZING PORTC
; Initialize PORTC by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Value used to
; initialize data
; direction
; Set RC<3:0> as inputs
; RC<5:4> as outputs
; RC<7:6> as inputs
I/O pin
Schmitt
Trigger
(1)
DS39599G-page 107
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