cxp82852 Sony Electronics, cxp82852 Datasheet - Page 8

• Manufacturer Part Number: cxp82852
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

PE7/TO/ADJ
PE6/PWM
PD0/A55
PD7/A48
PG0/A39
PG7/A32
PH0/A31
PH7/A24
PF0/A47
PF7/A40
32 pins
1 pin
1 pin
Pin
to
to
to
to
Port G
Port E
Port D
Port H
Port E
Port F
Port E output selection (upper)
Port E output selection
Port E output selection (lower)
"1" when reset
"1" when reset
Data bus
"0" when reset
Port E data
Port E data
"00" when reset
ADJ16K
ADJ2K
Output selection control signal
TO output enable
Data bus
PWM
RD (Port E)
TO
1
2
Port D, F, G and H data
Segment output data
00
01
10
11
("0" when reset)
Internal reset signal
"0" when reset
RD (Ports D, F, G and H)
Output enable
MPX
Circuit format
– 8 –
1
2
output for 32kHz oscillation frequency adjustment.
ADJ2 can be used for buzzer output.
ADJ signal is a frequency dividing
Pull-up transistor approx. 150k
Pull-down resistor
High voltage drive transistor
OP
2
Mask
option
CXP82832/82840/82852/82860
V
FDP
Hi-Z or Low
level (when
PD resistor is
connected)
High level
(with approx.
150k
resistor when
reset)
When reset
High level