Information

© 2009-2011 Microchip Technology Inc. DS80467G-page 5
PIC24HJ32GP202/204 and PIC24HJ16GP304
7. Module: UART
When the UART is in 4x mode (BRGH = 1) and
using two Stop bits (STSEL = 1), it may sample the
first Stop bit instead of the second one.
This issue does not affect the other UART
configurations.
Work around
Use the 16x baud rate option (BRGH = 0) and
adjust the baud rate accordingly.
Affected Silicon Revisions
8. Module: SPI
When the SPI module is enabled, setting the
DISSCK bit in the SPIxCON1 register does not
allow the user application to use the SCK pin as a
General Purpose I/O pin.
Work around
None.
Affected Silicon Revisions
9. Module: I
2
C
The BCL bit in I2CSTAT can be cleared only with
16-bit operation and can be corrupted with 1-bit or
8-bit operations on I2CSTAT.
Work around
Use 16-bit operations to clear BCL.
Affected Silicon Revisions
10. Module: I
2
C
If there are two I
2
C devices on the bus, one of
them is acting as the Master receiver and the other
as the Slave transmitter. Suppose that both
devices are configured for 10-bit addressing
mode, and have the same value in the A10 and A9
bits of their addresses. When the Slave select
address is sent from the Master, both the Master
and Slave acknowledges it. When the Master
sends out the read operation, both the Master and
the Slave enter into Read mode and both of them
transmit the data. The resultant data will be the
ANDing of the two transmissions.
Work around
Use different addresses including the higher two
bits (A10 and A9) for different modules.
Affected Silicon Revisions
11. Module: Product Identification
Revision A2 devices marked as extended
temperature range (E) devices, support only
industrial temperature range (I).
Work around
Use Revision A3 or newer devices marked as
extended temperature range (E) devices.
Affected Silicon Revisions
12. Module: UART
The UART error interrupt may not occur, or may
occur at an incorrect time, if multiple errors occur
during a short period of time.
Work around
Read the error flags in the UxSTA register
whenever a byte is received to verify the error
status. In most cases, these bits will be correct,
even if the UART error interrupt fails to occur.
Affected Silicon Revisions
A2 A3 A4 A5 A6
XXXX
X
A2 A3 A4 A5
A6
XXXXX
A2 A3 A4 A5
A6
XXXX
X
A2 A3 A4 A5 A6
XXXXX
A2 A3 A4 A5
A6
X
A2 A3 A4 A5 A6
XXXXX