UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 50

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F9502MA-CAC-A

• Controller Family/series: UPD78F
• No. Of I/o's: 8
• Ram Memory Size: 128Byte
• Cpu Speed: 10MHz
• No. Of Timers: 2
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

50
P2:
PU2:
PM2:
RD:
WR
WR
WR
WR
RD
: Write signal
PORT
PU
PM
Port register 2
Pull-up resistor option register 2
Port mode register 2
Read signal
PM20, PM21
PU20, PU21
Output latch
Alternate
Alternate
(P20, P21)
function
function
PM2
PU2
P2
Figure 4-2. Block Diagram of P20 and P21
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 4 PORT FUNCTIONS
V
DD
P-ch
P20/TOH1,
P21/INTP0