TMS1000

Equivalence table

Rebadged as	Found on PCB (manufacturer)
CF37201N	Universal

4-bit Microcontroller

Family table

Chip Series	TMS1000	TMS1070	TMS1040	TMS0970	TMS1100	TMS1170	TMS1200	TMS1270	TMS1300	TMS1370	TMS1400	TMS1470	TMS1600	TMS1670	TMS1700
Technology	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS	PMOS
Pins per package	28	28	28	28	28	28	40	40	40	40	28	28	40	40	28
Data operand size	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits	4 bits
Instruction ROM	1024*8	1024*8	1024*8	1024*8	2048*8	2048*8	1024*8	1024*8	2048*8	2048*8	4096*8	4096*8	4096*8	4096*8	512*8
Data storage RAM	64*4	64*4	64*4	64*4	128*4	128*4	64*4	64*4	128*4	128*4	128*4	128*4	128*4	128*4	32*4
Fixed instructions	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Microprogrammable instructions	32	32	32	32	42	42	32	32	42	42	42	42	42	42	32
Display drive	none	VFD	VFD	LED	none	VFD	none	VFD	none	VFD	none	VFD	none	VFD	none

Pinout

    TMS 1000 & TMS 1100
       DIP28-600mil
         +--\/--+
      R8 |1   28| R7
      R9 |2   27| R6
     R10 |3   26| R5
     Vdd |4   25| R4
      K1 |5   24| R3
      K2 |6   23| R2
      K4 |7   22| R1
      K8 |8   21| R0
    INIT |9   20| Vss
      O7 |10  19| OSC2
      O6 |11  18| OSC1
      O5 |12  17| O0
      O4 |13  16| O1
      O3 |14  15| O2
         +------+

         TMS 1070
       DIP28-600mil
         +--\/--+
      R8 |1   28| R7
      R9 |2   27| R6
     R10 |3   26| R5
     Vdd |4   25| R4
      K1 |5   24| R3
      K2 |6   23| R2
      K4 |7   22| R1
      K8 |8   21| Vss
    INIT |9   20| R0
      O7 |10  19| OSC2
      O6 |11  18| OSC1
      O5 |12  17| O0
      O4 |13  16| O1
      O3 |14  15| O2
         +------+

         TMS 1200
       DIP40-600mil
         +---\/---+
      R8 | 1    40| R7
      R9 | 2    39| R6
     R10 | 3    38| R5
     R11 | 4    37| R4
     R12 | 5    36| R3
     Vdd | 6    35| NC
      K1 | 7    34| NC
      K2 | 8    33| NC
      K4 | 9    32| NC
      K8 |10    31| R2
    INIT |11    30| R1
      O7 |12    29| R0
      NC |13    28| Vss
      NC |14    27| OSC2
      NC |15    26| OSC1
      O6 |16    25| O0
      O5 |17    24| O1
      O4 |18    23| O2
      O3 |19    22| NC
      NC |20    21| NC
         +--------+

         TMS 1270
       DIP40-600mil
         +---\/---+
      R8 | 1    40| NC
      R9 | 2    39| R7
     R10 | 3    38| R6
     R11 | 4    37| R5
     R12 | 5    36| R4
     Vdd | 6    35| R3
      K1 | 7    34| NC
      K2 | 8    33| NC
      K4 | 9    32| NC
      K8 |10    31| NC
    INIT |11    30| R2
      NC |12    29| R1
      NC |13    28| Vss
      O7 |14    27| R0
      O6 |15    26| OSC2
      O5 |16    25| OSC1
      O9 |17    24| O0
      O4 |18    23| O1
      O3 |19    22| O2
      O8 |20    21| NC
         +--------+

         TMS 1300
       DIP40-600mil
         +---\/---+
     R11 | 1    40| R10
     R12 | 2    39| R9
     R13 | 3    38| R8
     R14 | 4    37| R7
     R15 | 5    36| R6
     Vdd | 6    35| NC
      K1 | 7    34| R5
      K2 | 8    33| R4
      K4 | 9    32| R3
      K8 |10    31| R2
    INIT |11    30| R1
      O7 |12    29| R0
      NC |13    28| Vss
      NC |14    27| OSC2
      NC |15    26| OSC1
      O6 |16    25| O0
      O5 |17    24| O1
      O4 |18    23| O2
      O3 |19    22| NC
      NC |20    21| NC
         +--------+

Frequency

DIP28
Set reader to FREQ, put black probe to GND, red probe to 18, 19 to measure CPU clock

DIP40 TMS 1200 & TMS 1300
Set reader to FREQ, put black probe to GND, red probe to 26, 27 to measure CPU clock

DIP40 TMS 1270
Set reader to FREQ, put black probe to GND, red probe to 25, 26 to measure CPU clock

External links

TMS1000 family page on Wikipedia
TMS1000 family page on CPU-World
TMS1000 family page on DataMath

Files

• 

  TMS1000 Series Manual

• TMS1000 Series Programmer's Reference Manual

  TMS1000 Series Programmer's Reference Manual