Datasheet Summary
NEe Microputers, Inc.
NEe
JLPD552
4- 81T SINGLE CHIP MICROPUTER
D ESC RIPTION
The .uPD552 is a .u-44 4-bit single chip microputer with high voltage outputs that can be pulled to -35V for direct interfacing to vacuum fluorescent displays_ The .uPD552 is manufactured with a standard PMOS process, allowing use of a single -10V power supply. The .uPD552 provides all of the hardware Features of the .u-44 family, and executes all 58 instructions of the .u-44 instruction set.
PIN CONFIGURATION
Cll
PCo
PCl
PC2
PC3 iN'f
RESET
PDO PDl
PD2
PD3
PEa PEl PE2
PE3
PFo PFl
PF2
PF3
TEST
Vss
PAO-PA3 PBO-PB3 PCO-PC3 PDO-PD3 PEO-PE3 PFO-PF3 PGO-PG3 PHO-PH3 PIO-PI2 TlIT ClO-Cll RESET
VGG...