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MCP215X/40 Developer’s Daughter Board User’s Guide
TABLE 2-8:
MCP2150 AND MCP2155 IR INTERFACE PINS
Pin Name
TXIR
Pin
Number
(PDIP)
2
Pin
Type
O
Buffer
Type
—
Description
Asynchronous transmit to IrDA ? standard
transceiver.
RXIR
3
I
ST
Asynchronous receive from Infrared transceiver.
Legend: A = Analog
I = Input
P = Power
O = Output
2.5.2.1.1
Additional MCP215X Interface Signals
In addition to the signals described in Table 2-7 and Table 2-8, there are two additional
signals that could be under Host Controller control. These are:
1. The RESET signal.
2. The EN signal.
The MCP215X RESET pin is connected to an I/O pin of the Host Controller. The H1/H3
headers each have the RESET signal connected to two pins, RA5 and RC3. The Host
Controller determines when the MCP215X device needs to be reset.
The MCP215X EN input can be either hard-wired (jumper JP5) or controlled by the
Host Controller. The H1/H3 headers each have the EN signal connected to the RB3
pin.
DS51591A-page 26
? 2006 Microchip Technology Inc.
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