PRELIMINARY
August 2001
ACE1101 Product Family
Arithmetic Controller Engine (ACEx™)
for Low Power Applications
General Description
I On-chip oscillator
— No external components
— 1µs instruction cycle time
The ACE1101 (Arithmetic Controller Engine) family of
microcontrollers is a dedicated programmable monolithic inte-
grated circuit for applications requiring high performance, low
power, and small size. It is a fully static part fabricated using
I On-chip Power-on Reset
I Brown-out Reset
CMOS technology.
I Programmable read and write disable functions
I Memory mapped I/O
The ACE1101 product family has an 8-bit microcontroller core, 64
bytes of RAM, 64 bytes of data EEPROM and 1K bytes of code
EEPROM. Its on-chip peripherals include a multi-function 16-bit
timer, watchdog/idle timer, and programmable under-voltage
detection circuitry. On-chip clock and reset functions reduce the
number of required external components. The ACE1101 product
family is available in 8-pin TSSOP, 8-pin DIP and 14-pin DIP
packages.
I Multi-level Low Voltage Detection
I Fully static CMOS
— Low power HALT mode (100nA @ 3.3V)
— Power saving IDLE mode
I Single supply operation
— 1.8-5.5V (ACE1101L)
— 2.2-5.5V (ACE1101)
— 2.7-5.5V (ACE1101B)
Features
I Software selectable I/O options
— Push-pull outputs with tri-state option
— Weak pull-up or high impedance inputs
I Arithmetic Controller Engine
I 1K bytes on-board code EEPROM
I 64 bytes data EEPROM
I 64 bytes RAM
I 40 years data retention
I 1,000,000 writes
I Watchdog
I 8-pin TSSOP, 8 and 14-pin DIP packages. (SOIC and CSP
packages available upon request)
I Multi-input wake-up on all I/O pins
I 16-bit multifunction timer
I In-circuit programming
Block and Connection Diagram
1
V
CC
GND1
Power-on
Reset
Internal
Oscillator
RESET2
Low Battery/Brown-out
Detect
Watchdog/
12-Bit Timer 0
16-Bit Timer 1
G0 (CKO)
G1 (CKI)
G2 (T1)
G3(Input only)
G4
G port
general
purpose
I/O
with
multi-
input
ACE1101
Control
Unit
HALT/IDLE
Power saving
Modes
Programming
Interface
RAM block
64 bytes
G5
G62
wakeup
1K bytes of CODE
EEPROM
64 bytes of DATA
EEPROM
G72
1. 100nf Decoupling capacitor recommended
2. Available only in the 14-pin package option.
www.fairchildsemi.com
1
© 2001 Fairchild Semiconductor Corporation
ACE1101 Product Family Rev. B.2