Datasheet Summary
NEe Microputers, Inc.
NEe
,",PD553
4-81T SINGLE CHIP MICROPUTER
DESCRIPTION
The fJP0553 is a fJ-43 4-bit single chip microputer with high voltage outputs that can be pulled to -35V for direct interfacing to vacuum fluorescent displays. The fJP0553 is manufactured with a standard PMOS process, allowing use of a single -1 OV power supply. The fJP0553 provides all of the hardware Features of the fJ-43 family, and executes all 80 instructions of the fJ-43 instruction set.
PIN CONFIGURATION
Cll PCO PCl PC2 PC3
RESET
PDO PDl PD2 PD3 PEO PEl
PE2 PE3 PFo PFI
PF2 PF3 TEST
1 2 3 4 5 6 7 B 9 10 11 12 13 14 15 16 17 18 19 20 21 fJPD 553
ClO
VGG PB3 PB2 PBl
PBo PA3...