PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 359

• Manufacturer Part Number: PIC18F4431-E/PT
• Description: IC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 25-6:
TABLE 25-7:
 2003 Microchip Technology Inc.
10
11
12
13
14
15
16
17
18
18A
19
20
20A
21
21A
22††
23††
24††
Note 1: Measurements are taken in RC mode, where CLKO output is 4 x T
Param
No.
(Output)
†† These parameters are asynchronous events not related to any internal clock edges.
I/O Pin
I/O Pin
(Input)
OSC1
CLKO
Note:
TosH2ckL OSC1
TosH2ckH OSC1
TckR
TckF
TckL2ioV
TioV2ckH Port in valid before CLKO
TckH2ioI
TosH2ioV OSC1 (Q1 cycle) to Port out valid
TosH2ioI
TioV2osH Port input valid to OSC1 (I/O in setup time)
TioR
TioF
T
T
T
Symbol
INP
RBP
RCP
Refer to Figure 25-4 for load conditions.
CLKO AND I/O TIMING REQUIREMENTS
CLKO rise time
CLKO fall time
CLKO
Port in hold after CLKO
OSC1 (Q2 cycle) to
Port input invalid
(I/O in hold time)
Port output rise time
Port output fall time
INT pin high or low time
RB7:RB4 change INT high or low time
RB7:RB4 change INT high or low time
Old Value
CLKO AND I/O TIMING
Q4
to CLKO
to CLKO
to Port out valid
Characteristic
10
13
PIC18F2331/2431/4331/4431
17
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
14
20, 21
Preliminary
Q1
19
0.25 T
18
Min
100
200
T
T
20
—
—
—
—
—
—
—
—
—
—
CY
CY
CY
0
0
+ 25
Q2
OSC
15
Typ
75
75
35
35
50
10
10
.
—
—
—
—
—
—
—
—
—
—
0.5 T
Max
200
200
100
100
150
CY
—
25
60
25
60
—
—
—
—
—
—
11
12
+ 20
New Value
DS39616B-page 357
16
Units Conditions
Q3
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(1)
(1)
(1)
(1)
(1)
(1)
(1)