This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev0.1 Nov 30, 2005
P.1/CP8
0S54/S56
Devices Included in this Data Sheet:
‧
CP80S54E/S56E : EPROM devices
‧
CP80S54/S56 : 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)
CP80S54/S54E
18
16
512
49
CP80S56/S56E
18
16
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 (maximum 16 I/O pins)
‧
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
‧
Built-in 8MHz, 4MHz, 1MHz, and 455KHz internal RC oscillator
‧
Programmable Code Protection
‧
Selectable oscillator options:
- ERC: External Resistor/Capacitor Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- XT: Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
- IRC: Internal Resistor/Capacitor Oscillator
- ERIC: External Resistor/Internal Capacitor Oscillator
‧
Wide-operating voltage range:
- EPROM : 2.3V to 5.5V
- ROM : 2.3V to 5.5V
CP
80S54/56
EPROM/ROM-Based 8-Bit Microcontroller Series
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