CXP84124 Sony Corporation, CXP84124 Datasheet - Page 8

• Manufacturer Part Number: CXP84124
• Description: CMOS 8-bit Single Chip Microcomputer
• Manufacturer: Sony Corporation

PE5/TO/ADJ
PD0 to PD7
PF0 to PF7
PG0 to PG7
PH0 to PH7
PI4 to PI7
PE4/PWM
36 pins
1 pin
1 pin
Pin
Port D
Port F
Port G
Port H
Port I
Port E
Port E
Ouput enable
"00" when reset
Data bus
"0" when reset
"1" when reset
Port E output
selection
Port E output
selection
Port E output
selection
Port E data
ADJ16K
Data bus
ADJ2K
Data bus
TO
"0" when reset
Port E output
selection
RD (Port E)
RD (Port E)
Port E data
Pull-up resistance
RD
"0" when reset
"0" when reset
"1" when reset
Port direction
MPX
PWM
Port data
Circuit format
– 8 –
ADJ signals are frequency division
outputs for 32kHz oscillation frequency
adjustment. ADJ2K provides usage as
buzzer output.
Pull-up transistors
approx. 10k
IP
CXP84120/84124
When reset
High level
High level
Hi-Z