PIC18F2221-E/ML Microchip Technology, PIC18F2221-E/ML Datasheet - Page 367

• Manufacturer Part Number: PIC18F2221-E/ML
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 QFN 6x6mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/ML

• 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-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 27-19:
TABLE 27-20: MASTER SSP I
FIGURE 27-20:
© 2009 Microchip Technology Inc.
Param.
90
91
92
93
Note 1: Maximum pin capacitance = 10 pF for all I
SCL
SDA
No.
T
T
T
T
Symbol
SU
SU
HD
HD
:
:
:
:
STA
STO
SDA
Out
SDA
In
STA
STO
SCL
Start Condition
Setup Time
Start Condition
Hold Time
Stop Condition
Setup Time
Stop Condition
Hold Time
90
Condition
MASTER SSP I
MASTER SSP I
PIC18F2221/2321/4221/4321 FAMILY
Start
90
103
Characteristic
91
91
2
109
C™ BUS START/STOP BITS REQUIREMENTS
2
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
2
1 MHz mode
C™ BUS START/STOP BITS TIMING WAVEFORMS
C™ BUS DATA TIMING
100
106
2
(1)
(1)
(1)
C pins.
(1)
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
101
109
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
Min
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
107
Max
—
—
—
—
—
—
—
—
—
—
—
—
92
92
Condition
Units
Stop
ns
ns
ns
ns
102
110
Only relevant for
Repeated Start
condition
After this period, the
first clock pulse is
generated
93
DS39689F-page 367
Conditions