Home > Product > Caller ID > TCC120

 

 

 

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

 


 

Bellcore CID and CIDCW systems
CID and CIDCW feature phones and adjunct boxes
Computer Telephony Integrated systems

 

 

Development support
- Application H/W solution ( Adjunct box, Caller ID phone )
- Standard S/W solution ( Source program release )