
TC93P27F
2002-11-18
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC93P27F
DTS Microcontroller (DTS-21)
The TC93P27F is a 4-bit CMOS microcontroller for single-chip
digital tuning systems, featuring a built-in 230-MHz prescaler,
PLL, and LCD drivers.
The CPU has 4-bit parallel addition and subtraction
instructions (e.g., AI, SI), logic operation instructions (e.g., OR,
AN), composite decision and comparison instructions (e.g., TM,
SL), and time-base functions.
The package is an 80-pin, 0.5 mm-pitch compact package. In
addition to various input/output ports and a dedicated key-input
port, which are controlled by powerful input/output instructions
(IN1 to 3, OUT1 to 3), there are many dedicated LCD pins, a
PWM output port, a BUZR port, a 6-bit A/D converter, a serial
interface, and an IF counter, etc.
Low-voltage and low-current consumption make this
microcontroller suitable for portable DTS equipment.
TC93P27F has built-in One Time PROM that is able to be programmed by EPROM writer.
TC93P27F is the same pin assignment as TC9327AF, therefore the program is written into the internal PROM of
TC93P27F, and this IC operates as the same function as TC9327AF.
Features
4-bit microcontroller for single-chip digital tuning systems.
Operating voltage V
DD
= 1.8 to 3.6 V, with low current consumption due to CMOS circuitry
(with only the CPU operating when V
DD
= 3 V, I
DD
= 130 μA max)
Built-in prescaler (1/2 fixed divider +2 modulus prescaler: fmax
≥
230 MHz)
Features built-in 1/4-duty, 1/2-bias LCD drivers and a built-in 3 V booster circuit for the display.
Data memory (RAM) and ports are easily backed up.
Program memory (ROM): 16 bit × 7168 steps
Data memory (RAM): 4 bit × 256 words
62-instruction set (all one-word instructions)
Instruction execution time: 40 μs (with 75-kHz crystal) (MVGS, DAL instructions: 80 μs)
Many addition and subtraction instructions (12 types each addition and subtraction)
Powerful composite decision instructions (TMTR, TMFR, TMT, TMF, TMTN, TMFN)
Data can be transmitted between addresses on the same row.
Register indirect transfer available (MVGD, MVGS instructions).
16 powerful general registers (located in RAM)
Stack levels: 2
Free branching (JUMP instructions) is allowed in the 7168 steps of program memory (ROM) as there are no
pages or fields.
16 bits of any address in the 1024 program memory steps (ROM) can be referenced (DAL instructions).
Features independent frequency input pins (FM
IN
and AM
IN
) and two (DO1 and DO2) phase comparator
outputs for FM/VHF and AM.
Seven kinds of reference frequencies can be selected via software.
Powerful input/output instructions (IN1 to 3, OUT1 to 3).
Dedicated input ports (K0 to K3) for key input, 29 LCD drive pins (100 segments maximum) available.
Weight: 0.45 g (typ.)