Crimzon
ZLP12840 OTP MCU
with Learning Amplification
Product Brief
PB015605-1007
Overview
Zilog’s ZLP12840 OTP MCU is a member of the
®
Crimzon
MCU family of infrared microcontrol-
lers. With 1 KB of general-purpose RAM and up to
128 KB of OTP, Zilog’s CMOS microcontrollers
offer fast executing, efficient use of memory,
sophisticated interrupts, input/output bit manipula-
tion capabilities, automated pulse generation/
reception, and internal key-scan pull-up transistors.
Product Block Diagram
Power-On
32/64/96/128K
Reset
OTP ROM
High Battery
Voltage
Detection
®
Z8
LXM
Core
Low Battery
Voltage
Detection
2 Comparators
1 KB RAM
Dedicated IR
Amplifier
Port 0
Port 2
8 I/O
8 I/O
Features
Key features of ZLP12840 OTP MCU include:
•
Low power consumption
•
Three standby modes
–
STOP—2
μ
A (typical)
–
HALT—0.8 mA (typical)
–
Low-Voltage Reset
Copyright ©2007 by Zilog
®
Infrared Microcontrollers
•
Infrared dedicated timers
–
Capture and transmit, 8- and 16-bit
–
8-bit timer with full duplex UART
•
Twenty priority interrupt sources
–
Three from UART Tx, UART Rx, UART
BRG
–
Two assigned to T8, T16 time-out and
capture
–
One low-voltage detection interrupt
–
Fourteen from Stop Mode Recovery
sources P20–P27, P30–P33, P00, and P04
•
T8 Timer
High and Low voltage detection with Flag IRQ
Capture and
(Low voltage only)
Transmit
•
Programmable Watchdog Timer
T16 Timer
•
Power-On Reset circuits
Capture and
•
Transmit
OTP-selectable pull-up transistors on Port 0 and
Port 2
8-Bit Timer w/
•
Two comparators
UART
•
Infrared learning amplification comparator
•
Up to 24 GPIO
Watchdog
–
Port 0: 0–3 (with pull-up option)
Timer
–
Port 0: 4–7 (with pull-up option)
–
Port 3
Port 2: 0–7 (with pull-up option)
8 I/O
–
Port 3: 0–7
•
Flexible Stop Mode Recovery
•
Compatible with Zilog’s Z86L98, ZLP32300,
ZLR32300, and ZLR64400 product families.
®
, Inc. All rights reserved.
www.zilog.com