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SPL1140, SPL11A, SPL12

Table of contents:
Info of SPL1140
Info of SPL11A
Info of SPL12

SPL1140, SPL11A, SPL12 Selling Leads, Datasheet

MFG:SH Package Cooled:27683+ D/C:83

SPL1140, SPL11A, SPL12 Datasheet download

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Part Number: SPL1140

MFG: SH

Package Cooled: 27683+

D/C: 83

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SPL11A General Description

SPL11A, a 8-bit LCD micro-controller, contains LCD-drivers, one-time programmable (OTP) ROM, SRAM, I/O, timer/counter, PLL, audio/remote control out, resistor to frequency converter (RFC) function in a single chip. The SPL11A is designed to drive LCD directly and perform efficient controller function as well as arithmetic function. With the on-chip crystal oscillator, real time clock can be easily achieved. For power savings, several power-down modes are controllable by software programming. The SPL11A is designed to be used in low-power electronic products such as remote controller, home appliance, calculator, and general LCD controller, etc.

SPL11A Features

Built-in Sunplus 8-bit CPU (Compatible with full 6502 instruction sets)
Working voltage: 2.4V ~ 5.5V
Maximum CPU speed: 4MHz @ 2.4V in ROSC mode
8K-byte EPROM with parallel programming & verification
128 bytes SRAM
48 bytes dual-port SRAM for LCD buffers
LCD bias: 1/2 bias, 1/3 bias, 1/4 bias
LCD dots: 12x30 (360 dots), 11x30 (330 dots), 10x30 (300 dots), 9x32 (288 dots), 8x32 (256 dots), 5x32 (160 dots), 4x32 (128 dots), and 3x32 (96 dots)
A 16-bit re-loadable timer/counter
An 8-pin IOA (Input with pull-high, input with pull low, floating, output, N open drain, P open drain)
IOB Inputs with key wakeup function & pull-low (4 inputs pins shared with LCD segments)
Dual clock PLL/R-oscillator & 32768
CPU Clock: PLL/2, PLL/4, PLL/8, PLL/16, 32768
PLL clock = 32768 * 37 * 4 = 4,849,664Hz; Maximum CPU clock in PLL clock mode: 4849664/2 = 2,424,832Hz
Four Operating modes: Operating, Wait, Halt, and Standby modes
Interrupt sources: 37.9K/N, 32768/N, TMO, EXT0, EXT1, T2Hz, and KEYC.
Seven wakeup sources
Built-in RFC (Resistor to Frequency Converter) function
Sunplus Technology Co., Ltd. PAGE 6 V0.1 OCT. 23, 2002
Watchdog reset and error-address reset are always enabled and will reset CPU if these events occur
Low voltage reset can be disabled by LVROFF pin
Wakeup start from reset or next instruction
Low voltage reset level: 2.4V
The pin assignment of ROM version will be the same as in OTP version, except PIE, VDDT, VPP, HCKOPT, LCKOPT, LVROFF, and TEST pins

SPL11A Typical Application

Remote controller with LCD ability.
LCD controller for home appliance.
Sunplus Technology Co., Ltd. PAGE 7 V0.1 OCT. 23, 2002
Watch, calendar, calculator, etc.

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