PIC18F2221-E/SS Microchip Technology, PIC18F2221-E/SS Datasheet - Page 369

• Manufacturer Part Number: PIC18F2221-E/SS
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 SSOP .209in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 4KB (2K x 16)
• 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 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 27-21:
TABLE 27-22: EUSART SYNCHRONOUS TRANSMISSION REQUIREMENTS
FIGURE 27-22:
TABLE 27-23: EUSART SYNCHRONOUS RECEIVE REQUIREMENTS
© 2009 Microchip Technology Inc.
120
121
122
Param.
125
126
Param
RC7/RX/DT
RC6/TX/CK
No.
No.
RC7/RX/DT
RC6/TX/CK
TckH2dtV SYNC XMIT (MASTER & SLAVE)
Tckrf
Tdtrf
TdtV2ckl
TckL2dtl
Symbol
Symbol
pin
pin
pin
pin
Clock High to Data Out Valid
Clock Out Rise Time and Fall Time
(Master mode)
Data Out Rise Time and Fall Time
SYNC RCV (MASTER & SLAVE)
Data Hold before CK ↓ (DT hold time)
Data Hold after CK ↓ (DT hold time)
EUSART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
EUSART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
PIC18F2221/2321/4221/4321 FAMILY
120
Characteristic
121
Characteristic
125
121
PIC18FXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18LFXXXX
126
Min
10
15
Min
Max
122
—
—
—
—
—
—
—
—
Units
Max
ns
ns
100
40
20
50
20
50
Units
ns
ns
ns
ns
ns
ns
DS39689F-page 369
Conditions
V
V
V
Conditions
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V