MCP25055-I/P Microchip Technology, MCP25055-I/P Datasheet - Page 34

• Manufacturer Part Number: MCP25055-I/P
• Description: IC I/O EXPANDER CAN 8B 14DIP
• Manufacturer: Microchip Technology

Specifications of MCP25055-I/P

• Mounting Type: Through Hole
• Interface: 1-Wire, CAN
• Number Of I /o: 8
• Interrupt Output: No
• Frequency - Clock: 4MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-DIP (0.300", 7.62mm)
• Includes: ADC, Memory, PWM
• Bus Frequency: 4MHz
• No. Of I/o's: 8
• Supply Voltage Range: 2.7V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 14
• Operating Temperature Range: -40°C To +85°C
• Data Rate Max: 1Mbps
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DV250501 - KIT DEV CAN MCP250XX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MCP25055I/P

MCP2502X/5X
REGISTER 5-6:
DS21664D-page 34
bit 7
bit 6
bit 5-4
bit 3
bit 2
bit 1-0
OPTREG1 REGISTER
GPPU: Weak pull-up enabled
1 = Weak pull-ups disabled
0 = Weak pull-ups enabled (GP7:GP0)
CLKEN:
1 = Clock Out Function disabled
0 = Clock Out Function enabled
CLKPS1:CLKPS0: CLKOUT Prescaler bits
00 = F
01 = F
10 = F
11 = F
Reserved:
CMREQ: Requests mode of operation (allows mode changes via the CAN bus)
1 = Requests Listen-only mode
0 = Requests Normal mode *
* CMREQ must be cleared as default to avoid device entering Listen-only mode on first “Input”
AQT1:AQT0: Analog Acquisition Time bits
00 = 64T
01 = 2
10 = 4
11 = 8
(e.g., AQT1:AQT0 => 00 => 2.56 µs for a 25 MHz F
Legend:
R = Readable bit
- n = Value at POR
bit 7
message.
R/W-1
GPPU
•
•
•
OSC
OSC
OSC
OSC
(64T
(64T
(64T
OSC
/1
/2
/4
/8
OSC
OSC
OSC
CLKEN
R/W-1
)
)
)
CLKPS1
R/W-1
W = Writable bit
‘1’ = Bit is set
CLKPS0
R/W-1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
OSC
—
)
CMREQ
R/W-0
© 2007 Microchip Technology Inc.
x = Bit is unknown
R/W-0
AQT1
R/W-0
AQT0
bit 0