UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 86

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

using port mode register 10 (PM10). When the P100 and P101 pins are used as an input port, use of an on-chip pull-
up resistor can be specified in 1-bit units by pull-up resistor option register 10 (PU10).
86
4.2.5 Port 10
Port 10 is a 2-bit I/O port with an output latch. Port 10 can be set to the input mode or output mode in 1-bit units
This port can also be used for segment output.
Reset signal generation sets port 10 to input mode.
Figure 4-8 shows a block diagram of port 10.
P10:
PU10:
PM10:
PFALL: Port function register ALL
RD:
WR
WR
WR
WR
WR
RD
PORT
PU
PM
PF
: Write signal
Port register 10
Pull-up resistor option register 10
Port mode register 10
Read signal
LCD controller/driver
PM100, PM101
PU100, PU101
(P100, P101)
Output latch
PF10ALL
PM10
PFALL
PU10
P10
Figure 4-8. Block Diagram of P100, P101
CHAPTER 4 PORT FUNCTIONS
User’s Manual U18698EJ1V0UD
V
DD
P-ch
P100/SEG4,
P101/SEG5