TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
Single-Chip DTS Microcontroller (DTS-22)
TC9314F is a 4 bit CMOS microcontroller for single-chip digital
tuning systems with built-in prescaler, PLL and LCD driver.
The CPU has 4 bit parallel addition/subtraction (eg, AI and SI
instructions), logical operations (eg, OR and AN), several bit
judge and compare instructions (eg, TM and SL), and time base
functions.
The device is in an 80 pin mini flat package. It includes
abundant I/O ports controlled by powerful input and output
instructions (IN1-3, OUT1-3) exclusive key input ports, abundant
LCD output ports, interrupts, a BUZR port, 6 bit A/D and D/A
converters, serial interface, and IF counter.
With CMOS architecture for low power consumption, TC9314F
is ideal for providing digital tuning for multiband radios,
radio-cessatte players and other portable equipment.
Features
4 bit microcontroller for single-chip digital tuning systems
Operating voltage V
DD
On-chip prescaler (fixed to 1/2 frequency division +2-modulus prescaler: fmax
1/3-duty, 1/2-bias driven LCD driver, with on-chip 3 V constant-voltage display circuit
Easy backup of data memory (RAM) and various ports
Program ROM: 16 bits × 6144 steps
Data memory (RAM): 4 bits × 384 words
Powerful instruction set with 54 1-word instructions
Instruction execution time of 40 µs (75 kHz crystal connected; 80 µs for MVGS and DAL instructions)
4 add and 4 subtract instructions
Note 1: This device is vulnerable to surge voltage. Take it into account when using this device in your system.
Powerful compound judge instructions (TMTR, TMFR, TMT, TMF, TMTN and TMFN)
Data transfer at the same row address (MVSR instruction)
Register indirect transfer available (MVGD and MVGS instructions)
16 powerful general registers assigned in RAM
Stack levels: 4
No concepts of pages or fields in program ROM. Features 6144 steps that allow JUMP or CAL instructions at
any point.
16 bit contents of any address in 1024 steps of the program ROM can be referenced freely. (DAL instruction)
Independent FM
and AM
IN
and DO2).
Choice of seven reference frequencies by program
Powerful input and output instructions (IN1~3 and OUT1~3)
Input-only ports (K0~K3) for key inputs and 33 LCD drive pins (90 segments maximum).
26 I/O ports (16 ports specifiable in units of bits, 10 output-only ports). Three pins (IF
be switched using instructions for use as input-only ports IN1 and IN2, and output-only port OT2, respectively.
In addition LCD output pins S19~S30 can be switched to I/O ports in units of bits.
2 external interrupt input ports.
These are able to switch for use as general input ports by program.
TC9314F
of 2.7~5.5 V, with CMOS architecture for low power consumption
pins for FM and AM frequency input and two phase comparison outputs (DO1
IN
Weight: 1.57 g (typ.)
1
TC9314F
130 MHz)
, IF
and DO2) can
IN1
IN2
2003-07-03