Details, datasheet, quote on part number: S3C72B7
PartS3C72B7
CategoryMicrocontrollers => System On Chip
TitleSystem On Chip
DescriptionThe S3c72b5/c72b7/c72b9 Single-chip CMOS Microcontroller Has Been Designed For High Performance Using Samsungs Newest 4-bit Cpu Core, Sam47 ( Samsung a
CompanySamsung Semiconductor, Inc.
DatasheetDownload S3C72B7 datasheet
  

 

Features, Applications

The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers). With an up-to-1280-dot LCD direct drive capability, segment expandable circuit, 8-bit and 16-bit timer/counter, and serial I/O, the S3C72B5/C72B7/C72B9 offers an excellent design solution for a wide variety of applications which require LCD functions. to 51 pins of the 128-pin QFP package can be dedicated to I/O. Nine vectored interrupts provide fast response to internal and external events. In addition, the S3C72B5/C72B7/C72B9's advanced CMOS technology provides for low power consumption and a wide operating voltage range.

The S3C72B5/C72B7/C72B9 microcontroller is also available in OTP (One Time Programmable) version, S3P72B9. S3P72B9 microcontroller has an on-chip 32-Kbyte one-time-programmable EPROM instead of masked ROM. The S3P72B9 is comparable to S3C72B5/C72B7/C72B9, both in function and in pin configuration except ROM size.

Memory 4-bit RAM (Excluding LCD Display RAM) 8-bit ROM 16-Bit Timer/Counter 51 I/O Pins I/O: 47 pins (32 pins are configurable as SEG pins) Input only: 4 pins Programmable 16-bit timer External event counter Arbitrary clock frequency output External clock signal divider Configurable as two 8-bit Timers Serial I/O interface clock generator Bit Sequential Carrier Supports 16-bit serial data transfer in arbitrary format

Power-Down Modes Idle mode (only CPU clock stops) Stop mode (main system clock stops) Subsystem clock stop mode

LCD Controller/Driver 80 SEG 16 COM, 88 SEG 8 COM Terminals Internal resistor circuit for LCD bias 16 Level LCD contrast control (software) Segment expandable circuit All dot can be switched on/off

Watch Timer Time interval generation: Hz 4 frequency outputs to BUZ pin Clock source generation for LCD

Oscillation Sources Crystal, Ceramic or RC for main system clock Crystal oscillator for subsystem clock Main system clock frequency: 0.46 MHz Subsystem clock frequency: 32.768 kHz CPU clock divider circuit (by or 64)

8-bit Serial I/O Interface 8-bit transmit/receive mode 8-bit receive mode LSB-first or MSB-first transmission selectable Internal or external clock source

8-bit Basic Timer 4 interval timer functions Watch-dog timer

8-bit Timer/Counter Programmable 8-bit timer External event counter Arbitrary clock frequency output External clock signal divider

Comparator 3 Channel mode: internal reference (4-bit resolution) 2 Channel mode: external reference

Operating Temperature Interrupts Five internal vectored interrupts Four external vectored interrupts Two quasi-interrupts 85 C

SAM47 CPU All KS57-series microcontrollers have the advanced SAM47 CPU core. The SAM47 CPU can directly address 32 K bytes 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 operations in two cycles. CPU REGISTERS Program Counter A 15-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 instructions stored in a look-up table in the ROM. Whenever a reset operation or an interrupt occurs, bits PC13 through PC0 are set to the vector address. Stack Pointer An 8-bit stack pointer (SP) stores addresses for stack operations. 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 logical 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 ROM is divided into four areas: 16-byte area for vector addresses 96-byte instruction reference area 16-byte general-purpose area (0010001FH) 16,256/24,448/32,640-byte area for general-purpose program memory The vector address area is used mostly during reset operations and interrupts. These 16 bytes can alternately be used as general-purpose ROM. The REF instruction references or 2-byte instructions stored in reference area locations 0020H 007FH. REF can also reference three-byte instructions such JP or CALL. So that a REF instruction can reference these instructions, 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 locations in the REF instruction look-up area can be allocated to general-purpose use.


 

Some Part number from the same manufacture Samsung Semiconductor, Inc.
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)
S3C72N2 Description = S3C72N2 ;; ROM(KB) = 2 ;; RAM Nibble = 288 ;; I/o Pins = 24 ;; Interrupt (Int/Ext) = 2/2 ;; Timer/counters = BT/WT/8TC ;; Sio = - ;; LCD (Seg/Com) = 32/4 ;; ADC (BitxCh) = - ;; PWM(BitxCh)
S3C72N4 Description = S3C72N4 ;; ROM(KB) = 4 ;; RAM Nibble = 288 ;; I/o Pins = 24 ;; Interrupt (Int/Ext) = 2/2 ;; Timer/counters = BT/WT/8TC ;; Sio = - ;; LCD (Seg/Com) = 32/4 ;; ADC (BitxCh) = - ;; PWM(BitxCh)
S3C72N5 Description = S3C72N5 ;; ROM(KB) = 8,16 ;; RAM Nibble = 512 ;; I/o Pins = 40 ;; Interrupt (Int/Ext) = 3/3 ;; Timer/counters = BT/WT/8TC ;; Sio = Yes ;; LCD (Seg/Com) = 32/4 ;; ADC (BitxCh) = - ;; PWM(BitxCh)
S3C72P9 Description = S3C72P9 ;; ROM(KB) = 16,24,32 ;; RAM Nibble = 1056 ;; I/o Pins = 39 ;; Interrupt (Int/Ext) = 4/4 ;; Timer/counters = BT/WT/8TC/16TC ;; Sio = Yes ;; LCD (Seg/Com) = 56/16 ;; ADC (BitxCh) = - ;; PWM(BitxCh)
S3C7324 Description = S3C7324 Single-chip CMOS Microcontroller ;; ROM(KB) = 4 ;; RAM Nibble = 256 ;; I/o Pins = 32 ;; Interrupt (Int/Ext) = 2/3 ;; Timer/counters = BT/WT/WDT/8T ;; Sio = - ;; LCD (Seg/Com) = 28/4
S3C7335 Description = S3C7335 ;; ROM(KB) = 8,16 ;; RAM Nibble = 512 ;; I/o Pins = 56 ;; Interrupt (Int/Ext) = 4/4 ;; Timer/counters = BT/WT/WDT/8T ;; Sio = Yes ;; LCD (Seg/Com) = 28/4 ;; ADC (BitxCh) = 8x4 ;; PWM(BitxCh)
S3C7414 Description = S3C7414 ;; ROM(KB) = 4 ;; RAM Nibble = 256 ;; I/o Pins = 35 ;; Interrupt (Int/Ext) = 5/3 ;; Timer/counters = BT/WT/WDT/8Tx2 ;; Sio = Yes ;; LCD (Seg/Com) = - ;; ADC (BitxCh) = 8x6 ;; PWM(BitxCh)
S3C7515 Description = S3C7515 ;; ROM(KB) = 16 ;; RAM Nibble = 512 ;; I/o Pins = 55 ;; Interrupt (Int/Ext) = 4/3 ;; Timer/counters = BT/WT/8Tx2 ;; Sio = Yes ;; LCD (Seg/Com) = - ;; ADC (BitxCh) = - ;; PWM(BitxCh)
S3C7524 The S3c7524/c7528/c7534/c7538 Single-chip CMOS Microcontroller Has Been Designed For High-performance Using Sam 47
S3C7528 Description = S3C7528 Single-chip CMOS Microcontroller ;; ROM(KB) = 4,8 ;; RAM Nibble = 768 ;; I/o Pins = 35 ;; Interrupt (Int/Ext) = 3/3 ;; Timer/counters = BT/WT/WDT/8Tx2 ;; Sio = - ;; LCD (Seg/Com)
S3C7534 The S3c7524/c7528/c7534/c7538 Single-chip CMOS Microcontroller Has Been Designed For High-performance Using Sam 47
S3C7538 Description = S3C7538 Single-chip CMOS Microcontroller ;; ROM(KB) = 4,8 ;; RAM Nibble = 768 ;; I/o Pins = 23 ;; Interrupt (Int/Ext) = 3/1 ;; Timer/counters = BT/WT/WDT/8Tx2 ;; Sio = - ;; LCD (Seg/Com)
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