UPD78F0411GA-GAM-AX Datasheet, PDF (158/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
(5) Input switch control register (ISC)
The input source to TI000 becomes the input signal from the P33/TI000 pin, by setting ISC1 to 0.
ISC can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets ISC to 00H.
Figure 6-10. Format of Input Switch Control Register (ISC)
Address: FF4FH After reset: 00H R/W
Symbol
7
6
5
ISC
0
0
ICS5
4
ICS4
3
ICS3
2
ICS2
1
ICS1
0
ICS0
ICS5
ICS4
0
0
1
0
Other than above
TxD6, RxD6 input source selection
TxD6:P112, RxD6: P113
TxD6:P13, RxD6: P12
Setting prohibited
ISC3
0
1
RxD6/P113 input enabled/disabled
RXD6/P113 input disabled
RXD6/P113 input enabled
ISC2
0
1
TI52 input source control
No enable control of TI52 input (P34)
Enable controlled of TI52 input (P34)^{Note 1}
ISC1
0
1
TI000 (P33)
RxD6 (P12 or P113^{Note 2})
TI000 input source selection
ISC0
0
1
INTP0 (P120)
RXD6 (P12 or P113^{Note 2})
INTP0 input source selection
Notes 1. TI52 input is controlled by TOH2 output signal.
2. TI000 and INTP0 inputs are selected by ISC5 and ISC4.
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User’s Manual U18698EJ1V0UD