Manualsbrain.com
  1. Manuals
  2. Brands
  3. NEC
  4. PD78053
  5. User Manual

NEC PD78053 User Manual

Download
Page of 603
133
CHAPTER 6   PORT FUNCTIONS
P120 to P127
RTP0 to RTP7
P130 and P131
ANO0, ANO1
P70
SI2/RxD
P71
SO2/TxD
P72
SCK2/ASCK
Table 6-2.  Port Functions (
µ
PD78054Y subseries) (2/2)
Pin Name
Function
Alternate Function
P60
N-ch open drain input/output port.
P61
On-chip pull-up resistor can be specified by
P62
Port 6.
mask option.  (Mask ROM version only).
P63
8-bit input/output port.
LEDs can be driven directly.
P64
Input/output mode can be specified in 1-bit
When used as an input port, an on-chip
RD
P65
units.
pull-up resistor can be used by software.
WR
P66
WAIT
P67
ASTB
Port 7.
3-bit input/output port.
Input/output mode can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be used by software.
Port 12.
8-bit input/output port.
Input/output mode can be specified in 1-bit units.
When used as an input port, on-chip pull-up resistor can be used by software.
Port 13.
2-bit input/output port.
Input/output mode can be specified in 1-bit units.
When used as an input port, on-chip pull-up resistor can be used by software.
—