Details, datasheet, quote on part number: S3C7044
PartS3C7044
CategoryMicrocontrollers => 4 bit => S3C7(KS57) Series
TitleS3C7(KS57) Series
DescriptionDescription = S3C7044 General Purpose 4 Bit Microcontroller ;; ROM(KB) = 4 ;; RAM Nibble = 512 ;; I/o Pins = 36 ;; Interrupt (Int/Ext) = 4/3 ;; Timer/counters = BT/WT/8Tx2 ;; Sio = Yes ;; LCD (Seg/Com) = - ;; ADC (BitxCh) = - ;; PWM(BitxCh) = - ;; Max. OSC.Freq. (MHz) = 6 ;; VDD(V) = 1.8~5.5 ;; Other Features = Eight N-ch Open Drain I/o Pins ;; Package = 42SDIP,44QFP ;; Production Status = Mass Production
CompanySamsung Semiconductor, Inc.
DatasheetDownload S3C7044 datasheet
  

 

Features, Applications

The S3C7044/C7048 single-chip CMOS microcontroller has been designed for very high-performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers). The S3P7048 is the microcontroller which has 8K-bytes one-time-programmable ROM and the functions are same to S3C7044/C7048. With two 8-bit timer/counters, an 8-bit serial I/O interface, and eight software n-channel open-drain I/O pins, the S3C7044/C7048 offers an excellent design solution for a wide variety of general-purpose applications. to 36 pins of the 42-pin SDIP or 44-pin QFP package can be dedicated to I/O. Seven vectored interrupts provide fast response to internal and external events. In addition, the S3C7044/C7048's advanced CMOS technology provides for low power consumption and a wide operating voltage range.

Memory 4-bit RAM 8-bit ROM: 8-bit ROM: S3C7048 Bit Sequential Carrier Supports 16-bit serial data transfer in arbitrary format

Interrupts 3 external interrupt vectors 4 internal interrupt vectors 2 quasi-interrupts
36 I/O Pins Input only: 4 pins I/O: 24 pins N-channel open-drain I/O: 8 pins
Power-Down Modes Idle: Only CPU clock stops Stop: System clock stops

Oscillation Sources Crystal or Ceramic for system clock Oscillation frequency 6.0MHz CPU clock divider circuit (by or 64)

Two 8-Bit Timer/Counters Programmable interval timer External event counter function Timer/counters clock outputs to TCLO0 and TCLO1 pins

Watch Timer Time interval generation: at 4.19 MHz 4 frequency outputs to the BUZ pin

8-Bit Serial I/O Interface 8-bit transmit/receive mode 8-bit receive mode LSB-first or MSB-first transmission selectable

SAM47 CPU All S3C7-series microcontrollers have the advanced SAM47 CPU core. The SAM47 CPU can directly address 32K-byte of program memory. The arithmetic logic unit(ALU) performs 4-bit addition, subtraction, logical, and shift-and-rotate operations in one instruction cycle and most 8-bit arithmetic and logical operation in two cycles. CPU REGISTERS program counter A 12-bit program counter (PC) stores addresses for instruction fetches during program execution. Usually, the PC is incremented by the number of bytes of the fetched instruction. The one instruction fetch that does not increment the PC is the 1-byte REF instruction which references instruction stored in a look-up table in the ROM. Whenever a reset operation or an interrupt occurs, bits PC12 though PC0 are set to the vector address. Stack pointer An 8-bit stack pointer (SP) stores addresses for stack operation. The stack area is located in general-purpose data memory bank 0. The is 8-bit read/writeable and SP bit 0 must always be logic zero. During an interrupt or a subroutine call, the PC value and the PSW are written to the stack area. When the service routine has completed, the values referenced by the stack pointer are restored. Then, the next instruction is executed. The stack pointer can access the stack despite data memory access enable flag status. Since the reset value of the stack pointer is not defined in firmware, you use program code to initialize the stack pointer to 00H. This sets the first register of the stack area to data memory location 0FFH. PROGRAM MEMORY In its standard configuration, the 8-bit (S3C7408) ROM is divided into four areas: 16-byte area for vector addresses 96-byte instruction reference area 16-byte general-purpose area 001FH) 3968-byte area for general-purpose program memory (S3C7404) 8064-byte area for general-purpose program memory (S3C7408) The vector address area is used mostly during reset operation and interrupts. These 16 bytes can alternately be used as general-purpose ROM. The REF instruction references or 2-byte instruction stored in reference area location 007FH. REF can also reference three-byte instruction such JP or CALL. So that a REF instruction can reference these instruction, however, the JP or CALL must be shortened a 2-byte format. To do this, JP or CALL is written to the reference area with the format TJP or TCALL instead of the normal instruction name. Unused location in the REF instruction look-up area can be allocated to general-purpose use.


 

Some Part number from the same manufacture Samsung Semiconductor, Inc.
S3C7048 Description = S3C7048 ;; ROM(KB) = 4,8 ;; RAM Nibble = 512 ;; I/o Pins = 36 ;; Interrupt (Int/Ext) = 4/3 ;; Timer/counters = BT/WT/8Tx2 ;; Sio = Yes ;; LCD (Seg/Com) = - ;; ADC (BitxCh) = - ;; PWM(BitxCh)
S3C70F2 The S3c70f2/c70f4 Single-chip CMOS Microcontroller Has Been Designed For High-performance Using Samsungs Newest 4-bit Cpu Core, Sam47 ( Samsung Arrange
S3C70F4 Description = S3C70F4 Single-chip CMOS Microcontroller ;; ROM(KB) = 4 ;; RAM Nibble = 512 ;; I/o Pins = 24 ;; Interrupt (Int/Ext) = 3/2 ;; Timer/counters = BT/WT/8TC ;; Sio = Yes ;; LCD (Seg/Com) = - ;; ADC (BitxCh)
S3C7205
S3C7212 Description = S3C70F4 Single-chip CMOS Microcontroller ;; ROM(KB) = 4 ;; RAM Nibble = 512 ;; I/o Pins = 24 ;; Interrupt (Int/Ext) = 3/2 ;; Timer/counters = BT/WT/8TC ;; Sio = Yes ;; LCD (Seg/Com) = - ;; ADC (BitxCh)
S3C7235 Description = S3C7238 Single-chip CMOS Microcontroller ;; ROM(KB) = 8 ;; RAM Nibble = 512 ;; I/o Pins = 40 ;; Interrupt (Int/Ext) = 3/3 ;; Timer/counters = BT/WT/WDT/8T ;; Sio = Yes ;; LCD (Seg/Com) = 32/4
S3C7254
S3C7265 Description = S3C7238 Single-chip CMOS Microcontroller ;; ROM(KB) = 8 ;; RAM Nibble = 512 ;; I/o Pins = 40 ;; Interrupt (Int/Ext) = 3/3 ;; Timer/counters = BT/WT/WDT/8T ;; Sio = Yes ;; LCD (Seg/Com) = 32/4
S3C7281 Description = S3C7281 Core-based 4-Bit CMOS Single-chip Microcontroller ;; ROM(KB) = 1 ;; RAM Nibble = - ;; I/o Pins = 14 ;; Interrupt (Int/Ext) = 1/1 ;; Timer/counters = Bt/wt ;; Sio = - ;; LCD (Seg/Com)
S3C7295 The S3c7295 Single-chip CMOS Microcontroller Has Been Designed For High Performance Using Samsungs Newest 4-bit Cpu Core, Sam47 ( Samsung Arrangeable M
S3C72B5 The S3c72b5/c72b7/c72b9 Single-chip CMOS Microcontroller Has Been Designed For High Performance Using Samsungs Newest 4-bit Cpu Core, Sam47 ( Samsung a
S3C72B7
S3C72B9 Description = S3C72B9 Single-chip CMOS Microcontroller ;; ROM(KB) = 16,24,32 ;; RAM Nibble = 3840 ;; I/o Pins = 51 ;; Interrupt (Int/Ext) = 5/4 ;; Timer/counters = BT/WT/WDT/8T/16T ;; Sio = Yes ;; LCD (Seg/Com)
S3C72C8 Description = S3C72C8 Single-chip CMOS Microcontroller ;; ROM(KB) = 8 ;; RAM Nibble = 512 ;; I/o Pins = 28 ;; Interrupt (Int/Ext) = 4/5 ;; Timer/counters = BT/WT/WDT/16T ;; Sio = Yes ;; LCD (Seg/Com) = 12/8
S3C72E8 Description = S3C72E8 4-bit CMOS Single-chip Microcontroller ;; ROM(KB) = 8 ;; RAM Nibble = 5228 ;; I/o Pins = 39 ;; Interrupt (Int/Ext) = 2/3 ;; Timer/counters = BT/WT/8T ;; Sio = - ;; LCD (Seg/Com) = 60/9
S3C72F5 Description = S3C72F5 Single-chip CMOS Microcontroller ;; ROM(KB) = 16 ;; RAM Nibble = 768 ;; I/o Pins = 39 ;; Interrupt (Int/Ext) = 4/4 ;; Timer/counters = BT/WT/WDT/8T/16T ;; Sio = Yes ;; LCD (Seg/Com)
S3C72G9 Description = S3C72G9 Single-chip CMOS Microcontroller ;; ROM(KB) = 32 ;; RAM Nibble = 992 ;; I/o Pins = 12 ;; Interrupt (Int/Ext) = 3/4 ;; Timer/counters = BT/WT/WDT/16T ;; Sio = - ;; LCD (Seg/Com) = 56/16
S3C72H8 Description = S3C72H8 ;; ROM(KB) = 8 ;; RAM Nibble = 512 ;; I/o Pins = 21 ;; Interrupt (Int/Ext) = 3/3 ;; Timer/counters = BT/WT/WDT/8T/16T ;; Sio = - ;; LCD (Seg/Com) = 26/4 ;; ADC (BitxCh) = Comx2 ;; PWM(BitxCh)
S3C72I9 Description = S3C72I9 Single-chip CMOS Microcontroller ;; ROM(KB) = 32 ;; RAM Nibble = - ;; I/o Pins = 39 ;; Interrupt (Int/Ext) = 4/4 ;; Timer/counters = BT/WT/WDT/8T/16T ;; Sio = Yes ;; LCD (Seg/Com)
S3C72K8 Description = S3C72K8 ;; ROM(KB) = 8 ;; RAM Nibble = 1024 ;; I/o Pins = 27 ;; Interrupt (Int/Ext) = 3/4 ;; Timer/counters = BT/WT/8TC ;; Sio = Yes ;; LCD (Seg/Com) = 40/8 ;; ADC (BitxCh) = Comx2 ;; PWM(BitxCh)
S3C72M9 Description = S3C72M9 ;; ROM(KB) = 16,24,32 ;; RAM Nibble = 3840 ;; I/o Pins = 51 ;; Interrupt (Int/Ext) = 5/4 ;; Timer/counters = BT/WT/WDT/8T/16T ;; Sio = Yes ;; LCD (Seg/Com) = 80/16 ;; ADC (BitxCh)
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