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NJU3552

Part Number	NJU3552
Manufacturer	New Japan Radio
Description	4-BIT SINGLE CHIP OTP MICRO CONTROLLER
Published	May 7, 2005
Detailed Description	NJU3552 PRELIMINARY 4-BIT SINGLE CHIP OTP MICRO CONTROLLER s GENERAL DESCRIPTION The NJU3552 is the C-MOS 4-bit Single ...
Datasheet	NJU3552 PDF File

Overview

NJU3552 PRELIMINARY 4-BIT SINGLE CHIP OTP MICRO CONTROLLER s GENERAL DESCRIPTION The NJU3552 is the C-MOS 4-bit Single Chip OTP type Micro Controller with programmable Flash Memory.
It is completely compatible with the NJU3502 in function and the pin configuration.
Therefore, the NJU3552 is suitable for the final evaluation before NJU3502 mask generation, the small quantity production and short leadtime.
* In this data sheet, only OTP programming and the difference between NJU3552 and NJU3502 are mentioned mainly.
Therefore the detail function and specification should be referred on the NJU3502 data sheet.
s PACKAGE OUTLINE NJU3552L NJU3552M s FEATURES q q q q q Internal One Time Programmable ROM 1,024 X 8bits Internal Data RAM 64 X 4bits Wide operating voltage range 2.
7V ~ 5.
5V Package outline SDIP24 / DMP24 ROM programmer “SUPERPRO/L” by XELTEK co,.
s PIN CONFIGURATION IN OTP PROGRAMMING MODE Open D0 D1 D2 Open D3 Open PROM CLK REQ VSS 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VDD CNT2 CNT1 D7 Open D6 D5 D4 Open RESET Note) The pin configuration in Normal operating mode is the same as NJU3502.
-1- NJU3552 s BLOCK DIAGRAM -2NJU3552 Interrupt CPU CORE Logic VDD VSS INT1 STACK X Reg Y Reg AC EXTI/PE0 TEST RESET TLU addr X’ Reg MUX Y’ Reg PC INT2 TIMER OTP ROM ALU CPU TIMING GENERATOR 1024 x 8 bit PRESCALER OSC OSC1 OSC2 INT3 SDO/PF0 IR RAM 64 x 4 bit ID SDI(O)/PF1 SIO STANDBY CONTROLLER SCK/CKOUT PORT_A *3 *1 1 PORT_B * *2 PORT_C *1 *3 1 PORT_D * *3 *1 refer [INPUT OUTPUT TERMINAL TYPE] *2 Input / Output direction of 4-bit group is changed by the program.
*3 Input / Output direction of each bit is selected by mask option.
PA0 PA1 PA2 PA3 PB0 PB1 PB2 PB3 PC0 PC1 PC2 PC3 PD0 PD1 NJU3552 s TERMINAL DESCRIPTION IN OTP PROGRAMMING MODE No.
13 2 - 4, 7, 15 - 17, 21 22, 23 11 10 9 24 12 Note 1) 2) SYMBOL RESET INPUT/OUTPUT INPUT FUNCTION RESET terminal.
When the low-level input-signal, the system i...

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