NEC 78K0 User Manual page 83

WR
PU
PU1
PU13
RD
WR
PORT
Output latch
(P13)
WR
PM
PM1
PM13
Alternate
function
PU1: Pull-up resistor option register 1
PM1: Port mode register 1
RD: Read signal
WR××: Write signal
CHAPTER 4 PORT FUNCTIONS
Figure 4-7. Block Diagram of P13
User's Manual U16227EJ2V0UD
EV
DD
P-ch
P13/TxD6
83