MCP2140A
FIGURE 4-9:
OSC1
RXPD
RXPDREF
LOW POWER WAVEFORM
IR140
TABLE 4-9: LOW POWER REQUIREMENTS
AC Specifications
Electrical Characteristics:
Standard Operating Conditions (unless otherwise specified):
Operating Temperature: -40°C ≤ TA ≤ +85°C (industrial)
Operating Voltage VDD range is described in Section 4.1 “DC
Characteristicsâ€
Param.
No.
Sym
Characteristic
Min
Typ
Max Units
Conditions
IR140 TRXPD2OSC RXPD pulse edge to valid
—
—
4
ms
device oscillator (1)
Note 1: At 9600 Baud, 4 ms is 4 bytes (of the 11 byte repeated SOF character). This allows the MCP2140A to
recognize a SOF character and properly receive the IR packet.
DS22050A-page 40
© 2007 Microchip Technology Inc.