PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 368

• 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

PIC18F2331/2431/4331/4431
TABLE 25-16: I
DS39616B-page 366
100
101
102
103
90
91
106
107
92
109
110
D102
Note 1:
Param.
No.
2:
T
T
T
T
T
T
T
T
T
T
T
C
Symbol
SU
SU
SU
AA
HIGH
LOW
R
F
HD
HD
BUF
B
As a transmitter, the device must provide this internal minimum delay time to bridge the undefined region
(min. 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
A Fast mode I
T
LOW period of the SCL signal. If such a device does stretch the LOW period of the SCL signal, it must out-
put the next data bit to the SDA line.
T
the SCL line is released.
SU
R
:
:
:
:
:
STA
DAT
STO
STA
DAT
max. + T
:
DAT
2
C BUS DATA REQUIREMENTS (SLAVE MODE)
Clock high time
Clock low time
SDA and SCL rise
time
SDA and SCL fall
time
Start condition setup
time
Start condition hold
time
Data input hold time
Data input setup time 100 kHz mode
Stop condition setup
time
Output valid from
clock
Bus free time
Bus capacitive loading
250 ns must then be met. This will automatically be the case if the device does not stretch the
SU
2
:
DAT
C bus device can be used in a Standard mode I
= 1000 + 250 = 1250 ns (according to the Standard mode I
Characteristic
100 kHz mode
400 kHz mode
SSP Module
100 kHz mode
400 kHz mode
SSP Module
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
Preliminary
20 + 0.1 C
20 + 0.1 C
1.5 T
1.5 T
Min
250
100
4.0
0.6
4.7
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.7
1.3
—
—
—
—
—
0
0
CY
CY
B
B
2
1000
3500
Max
C bus system, but the requirement
300
300
300
0.9
400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
ns
ns
ns
ns
pF
ns
ns
ns
ns
ns
s
s
s
s
s
s
s
s
s
s
s
s
s
 2003 Microchip Technology Inc.
2
PIC18FXX31 must operate at
a minimum of 1.5 MHz
PIC18FXX31 must operate at
a minimum of 10 MHz
PIC18FXX31 must operate at
a minimum of 1.5 MHz
PIC18FXX31 must operate at
a minimum of 10 MHz
C
10 to 400 pF
C
10 to 400 pF
Only relevant for repeated
Start condition
After this period, the first clock
pulse is generated
(Note 2)
(Note 1)
Time the bus must be free
before a new transmission can
start
C bus specification) before
B
B
is specified to be from
is specified to be from
Conditions