SN8P275X Series
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 9
Version 0.7
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PRODUCT OVERVIEW
1.1 FEATURES
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Memory configuration
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Eight interrupt sources
OTP ROM size: 4K * 16 bits.
Six internal interrupts: T0, TC0, TC1, SIO, ADC,MSP.
RAM size: 256 * 8 bits (bank 0 and bank 1).
Three external interrupts: INT0, INT1, INT2.
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8 levels stack buffer.
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Three 8-bit Timer/Counter
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I/O pin configuration (Total 36 pins)
T0: Basic timer
Bi-directional: P0, P1, P2, P3, P4, P5
TC0: Auto-reload timer/Counter/PWM0/Buzzer output
Programmable open-drain: P1.0, P1.1, P5.2
TC1: Auto-reload timer/Counter/PWM1/Buzzer output
Wakeup: P0, P1 level change trigger
External interrupt: P0
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On chip watchdog timer and clock source is internal
Pull-up resisters: P0, P1, P2, P3, P4, P5
low clock RC type (16KHz @3V, 32KHz @5V).
P4 pins shared with ADC inputs.
Programmable open-drain: P1.0, P1.1,P5.2
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Dual system clocks
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8-channel 12-bit SAR ADC.
External high clock: RC type up to 10 MHz
External high clock: Crystal type 32KHZ up to 16 MHz
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One channel 7-bit R2R DAC.
Internal low clock: RC type 16KHz(3V), 32KHz(5V)
Internal high clock: RC type 16MHz.
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SIO function.
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Operating modes
Normal mode: Both high and low clock active
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Powerful instructions
Slow mode: Low clock only
One clocks per instruction cycle (1T)
Sleep mode: Both high and low clock stop
Most of instructions are one cycle only
Green mode: Periodical wakeup by T0 timer
All ROM area lookup table function (MOVC)
Hardware multiplier (MUL)
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Package (Chip form support)
SN8P2758: SSOP 48 pins, LQFP 48 pins
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Memory configuration
SN8P2755: PDIP 32 pins, SOP 32 pins
OTP ROM size: 4K * 16 bits.
SN8P2754: SK-DIP 28 pins, SOP 28pins
RAM size: 256 * 8 bits (bank 0 and bank 1).
Eight levels stack buffer
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I/O pin configuration (Total 36 pins)
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Three 8-bit Timer/Counter
Bi-directional: P0, P1, P2, P3, P4, P5
T0: Basic timer
Programmable open-drain: P1.0, P1.1, P5.2
TC0: Auto-reload timer/Counter/PWM0/Buzzer output
Wakeup: P0, P1 level change trigger
TC1: Auto-reload timer/Counter/PWM1/Buzzer output
External interrupt: P0
Pull-up resisters: P0, P1, P2, P3, P4, P5
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On chip watchdog timer and clock source is internal
P4 pins shared with ADC inputs.
low clock RC type (16KHz @3V, 32KHz @5V).
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Build in MSP interface with interrupt function
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Dual system clocks
MSP sleep mode wake up function.