PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 352

• Manufacturer Part Number: PIC18F6621-I/PT
• Description: 64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F6621-I/PT

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 54
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 64K Bytes
• Ram Size: 3.8K Bytes
• Speed: 40 MHz
• Timers: 2-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F6525/6621/8525/8621
TABLE 27-20: I
DS39612B-page 350
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
R
HIGH
LOW
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 output
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)
≥ 250 ns must then be met. This will automatically be the case if the device does not stretch the
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
Stop Condition
Setup Time
Output Valid from
Clock
Bus Free Time
Bus Capacitive Loading
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
MSSP module
100 kHz mode
400 kHz mode
MSSP 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
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
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
1.3
4.7
—
—
—
—
—
0
0
CY
CY
B
B
1000
3500
Max
300
300
300
0.9
400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
C bus system but the requirement
Units
ns
ns
ns
pF
µs
µs
µs
µs
ns
ns
ns
ns
µs
µs
µs
µs
ns
µs
µs
µs
ns
µs
µs
 2005 Microchip Technology Inc.
2
PIC18F6X2X/8X2X must
operate at a minimum of
1.5 MHz
PIC18F6X2X/8X2X must
operate at a minimum of
10 MHz
PIC18F6X2X/8X2X must
operate at a minimum of
1.5 MHz
PIC18F6X2X/8X2X 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