PIC18F2439-E/SP Microchip Technology, PIC18F2439-E/SP Datasheet - Page 286

• Manufacturer Part Number: PIC18F2439-E/SP
• Description: IC PIC MCU FLASH 6KX16 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2439-E/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 12KB (6K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 640 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX39
FIGURE 23-20:
TABLE 23-19: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
FIGURE 23-21:
TABLE 23-20: USART SYNCHRONOUS RECEIVE REQUIREMENTS
DS30485A-page 284
120
121
122
Param.
Param.
125
126
RC7/RX/DT
RC6/TX/CK
Note:
No.
No.
RC7/RX/DT
Note:
RC6/TX/CK
TckH2dtV SYNC XMIT (MASTER & SLAVE)
Tckr
Tdtr
TdtV2ckl SYNC RCV (MASTER & SLAVE)
TckL2dtl
Symbol
pin
Symbol
pin
Refer to Figure 23-4 for load conditions.
pin
pin
Refer to Figure 23-4 for load conditions.
Clock high to data out valid
Clock out rise time and fall time
(Master mode)
Data out rise time and fall time
Data hold before CK ↓ (DT hold time)
Data hold after CK ↓ (DT hold time)
USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
120
121
Characteristic
Characteristic
125
Preliminary
121
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
126
Min
—
—
—
—
—
—
122
Min
10
15
20
Max
 2002 Microchip Technology Inc.
150
50
25
60
25
60
Max
—
—
—
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
DD
DD
DD
V
Conditions
Conditions
DD
= 2V
= 2V
= 2V
= 2V