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PDF TMP90PM38 Data sheet ( Hoja de datos )
| Número de pieza | TMP90PM38 | |
| Descripción | CMOS 8-bit Microcontrollers | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TOSHIBA
TLCS-90 Series
CMOS 8–Bit Microcontrollers
TMP90PM38F/TMP90PM38T
1. Outline and Characteristics
The TMP90PM38 is a system evaluation LSI having a
TMP90PM38
built-in One-Time PROM (16K byte) for TMP90CM38.
A programming and verification for the internal PROM is
acheived by using a general EPROM programmer with an adapter
socket.
The function of this device is exactly the same as the
TMP90CM36 by programming to internal PROM:
Parts No.
TMP90PM38F
TMP90PM38T
ROM
OTP 32968 x 8bit
RAM
1024 x 8bit
Package
80-FP
84-QFJ (PLCC)
Adapter Socket
No.
Under Development
The information contained here is subject to change without notice.
The information contained herein is presented only as guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties
which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. These TOSHIBA products are intended for usage in general electronic
equipments (office equipment, communication equipment, measuring equipment, domestic electrification, etc.) Please make sure that you consult with us before you use these TOSHIBA products in equip-
ments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life (atomic energy control, spaceship, traffic signal, combustion control, all types
of safety devices, etc.). TOSHIBA cannot accept liability to any damage which may occur in case these TOSHIBA products were used in the mentioned equipments without prior consultation with TOSHIBA.
TOSHIBA CORPORATION
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1 page  
2.2 Pin Names and Functions
The TMP90PM38 has MCU mode and PROM mode.
TMP90PM38
(1) MCU Mode (The TMP90CM36 is pin compatible).
Table 2.2 (1/3)
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5 Page 
TMP90PM38
(2) Programming Flow Chart
The programming mode is set by applying 12.75V
(programming voltage) to the VPP pin when the follow-
ing pins are set as follows.
Then, verify the data and increment the address.
The verification for all data is done under the condition
of VPP = VCC = 5V after all data were written.
Figure 3.3 shows the programming flowchart.
(VCC: 6.25V)
*These conditions can be obtained
(RESET: “L” level) by using adapter socket.
(CLK: “L” level)
After the address and data have been fixed, a data on
the Data Bus is programmed when the PGM pin is set
to “Low” (0.1ms plus is required).
General programming procedure of an EPROM pro-
grammer is as follows.
(3) The Security Bit
The TMP90PM38 has the Security Bit in PROM cell. If
the Security Bit is programmed to “0”, the content of
the PROM is disable to read in PROM mode.
How to program the Security Bit
In the PROM MODE
• Write data to a specified address for 0.1ms.
• Verify the data. If the read-out data does not match
the expected data, another writing is performed until
the correct data is written (Max. 25 times).
(1) Connect P40 pin to VCC
(2) Set A0 ~ A16 to “0” respectively
(3) Set the 8-bit data to “FEH”
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