|
Caller
ID Receiver
1200
baud FSK (Frequency Shift Keying)
demodulator with sensitivity
-45dBm
(in
600§Ù) conforms to Bell 202
and CCITT V.23 standards
Receive
sensitivity of -38dBm (in 600W)
for CAS (CPE Alerting Signal)
Stutter
Dial Tone(SDT) detector with
sensitivity of -38dBm
Ring
or Line Reversal detector
Ring
Frequency measurement
Line
voltage measurement
On-hook
and off-hook applications according
to Bellcore TR-NWT-000030 and
SR-TSV-002476
specifications
Compatible
with ETSI standards ETS 300
659-1 and ETS 300 659-2
Tone
Generators
Dual
tone (CAS, DTMF, etc.) generator
with gain controller
FSK
tone generator
3
Octave melody generator
CPU
SAM87RC
CPU core
Memory
1.808K-byte
of internal register file
0.5K-byte
special SRAM
408-byte
LCD display RAM
64K-byte
internal program memory area
Instruction
Set 78 instructions
including IDLE and STOP
Instruction
Execution Time
1117
ns at 3.579545MHz fx (Minimum)
122
us at 32.768 kHz fxt (sub clock)
Interrupts
Seven
interrupt levels
Seven
external interrupt pins
One
Internal Interrupt for CID Block
Timer/Counters
One
8-bit basic Timer for watchdog
function
One
8-bit Timer/Counter (timer0)
with three timer modes (Interval,
Capture, PWM)
16-bit
Timer/Counter with 2 types (one
16-bit or two 8-bit Timer/Counter
mode)
Watch
Timer with interval time of
3.91ms, 0.25s, 0.5s, 1s at 32.768KHz,
also used for
clock
source generation for LCD
8-bit
Serial I/O
8-bit
transmit/receive and 8-bit receive
mode
Selectable
baud rate or external clock
source
UART
Full-duplex
serial I/O interface
Four
programmable operating modes
General
I/O
42
bits general I/O pins
Analog
to Digital Converter
Four
analog input pins
10
bit conversion resolution
LCD
Controller/Driver
56S×34C,
64S×26C, 72S×18C,
90S terminals
Capacitor
and Register bias for LCD output
Voltage
booster and voltage regulator
Voltage
level detector with criteria
voltage selection logic (2.8V,
2.9V, 3.0V or
3.1V)
12
level LCD contrast control (by
software)
Segment
driver circuit
All
dots can be switched on/off
Power-Down
Modes
Idle
mode (only CPU clock stops)
Stop
mode (CPU and main oscillator
stops)
Crystal,
Ceramic, RC for main clock(fx:
3.579545MHz)
Crystal,
Ceramic for sub clock(fxt: 32.768kHz)
Idle
mode (only CPU clock stops)
Stop
mode (CPU and main oscillator
stops)
Package
Type 160-pin QFP
package
|