UPD78F1502AGK-GAK-AX Datasheet, PDF (151/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
WRPU
RD
CHAPTER 4 PORT FUNCTIONS
Figure 4-4. Block Diagram of P12 and P13
PU1
PU12, PU13
EVDD
P-ch
WRPORT
WRPOM
WRPM
P1
Output latch
(P12, P13)
POM1
POM12, POM13
PM1
PM12, PM13
Alternate
function
(serial interface)
Alternate
function (timer)
P1: Port register 1
PU1: Pull-up resistor option register 1
POM1: Port output mode register 1
PM1: Port mode register 1
RD: Read signal
WR××: Write signal
P12/SO20/TxD2/TO02,
P13/SO10/TxD1/TO04
R01UH0004EJ0501 Rev.5.01
135
Jun 20, 2011