CP8056 Datasheet, PDF (1/46 Pages) List of Unclassifed Manufacturers – EPROM/ROM-Based 8-Bit Microcontroller Series

CHENGPIN
CP8056
EPROM/ROM-Based 8-Bit Microcontroller Series
Devices Included in this Data Sheet:
• CP8056P : EPROM devices
• CP8056P : Mask ROM devices
FEATURES
• Only 42 single word instructions
• All instructions are single cycle except for program branches which are two-cycle
• 13-bit wide instructions
• All ROM/EPROM area GOTO instruction
• All ROM/EPROM area subroutine CALL instruction
• 8-bit wide data path
• 5-level deep hardware stack
• Operating speed: DC-20 MHz clock input
DC-100 ns instruction cycle
Device
Pins # I/O # EPROM/ROM (Byte) RAM (Byte)
CP8056
18
12
1K
49
• Direct, indirect addressing modes for data accessing
• 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler
• Internal Power-on Reset (POR)
• Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)
• Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)
• On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog
enable/disable control
• Two I/O ports IOA and IOB with independent direction control
• Soft-ware I/O pull-high/pull-down or open-drain control
• One internal interrupt source: Timer0 overflow; Two external interrupt source: INT pin, Port B input change
• Wake-up from SLEEP by INT pin or Port B input change
• Power saving SLEEP mode
• Programmable Code Protection
• Selectable oscillator options:
- RC: Resistor/Capacitor Oscillator
- XT: Crystal/Resonator Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
• Wide-operating voltage range:
- EPROM : 2.3V to 5.5V
- ROM : 2.3V to 5.5V
P.1/CP8056