UPD75212ACW NEC, UPD75212ACW Datasheet
Manufacturer Part Number
Specifications of UPD75212ACW
Date Published February 1994 P
Printed in Japan
(O. D. No.
a fluorescent display tube controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM,
a serial interface and a vectored interrupt function integrated on a single-chip.
applications requiring the timer/watch function and high-speed interrupt servicing. It can help to provide the unit
with many functions and to decrease performance costs.
Architecture equal to that of an 8-bit microcomputer
High-speed operation : Minimum instruction execution time : 0.95 s (when operated at 4.19 MHz)
Instruction execution time variable function realizing a wide range of operating voltages
On-chip large-capacity program memory : 12K bytes
Watch operation with an ultra low current consumption : 5 A TYP. (at the 3 V operation)
On-chip programmable fluorescent display tube controller/driver
Timer function : 4 ch
• 14-bit PWM output capability with the voltage synthesizer type electronic tuner
• Buzzer output capability
Interrupt function with importance attached to applications
• For power-off detection
• For remote controlled reception
Product with an on-chip PROM : PD75P216A, PD75P218 (on-chip EPROM : WQFN package)
The PD75212A is a microcomputer with a CPU capable of 1-, 4-, and 8-bit data processing, ROM, RAM, I/O ports,
The PD75212A is a version of the PD75216A with a small ROM capacity (12K).
The PD75212A uses the VCR, ECR and CD fluorescent display tubes as display devices and is most suitable for
Functions are described in detail in the following User’s Manual. Be sure to read when carrying out design work.
VCR, CD player, ECR, etc.
4-BIT SINGLE-CHIP MICROCOMPUTER
The information in this document is subject to change without notice.
PD75216A User’s Manual: IEM-988
shows major revised points.
MOS INTEGRATED CIRCUIT
© NEC Corporation 1990