tmp88ph40mg TOSHIBA Semiconductor CORPORATION, tmp88ph40mg Datasheet - Page 141

• Manufacturer Part Number: tmp88ph40mg
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

15. OTP operation
15.1 Operating mode
15.1.1 MCU mode
PROM in place of the mask ROM which is included in the TMP88CH40MG. The configuration and function are the
same as the TMP88CH40MG. In addition, TMP88PH40MG operates as the single clock mode when releasing reset.
15.1.1.1 Program Memory
15.1.1.2 Data Memory
15.1.1.3 Input/Output Circuiry
This section describes the funstion and basic operationalblocks of TMP88PH40MG. The TMP88PH40MG has
The TMP88PH40MG has MCU mode and PROM mode.
because it has no built-in pull-down resistor).
The MCU mode is set by fixing the TEST/VPP pin to the low level. (TEST/VPP pin cannot be used open
07EFF
FFFFF
002BF
FFF00
00000
00040
04000
FFFFFH in the MCU mode, addresses 0000 to 3FFFH in the PROM mode).
When using TMP88PH40MG for evaluation of mask ROM products, the program is written in the pro-
gram storing area shown in Figure 15-1.
program storing area between the one-time PROM and the mask ROM to be used.
to
The TMP88PH40MG has 16K bytes built-in one-time-PROM (addresses 4000 to 7EFFH and FFF00 to
Since the TMP88PH40MG supports several mask ROM sizes, check the difference in memory size and
Note: The area that is not in use should be set data to FFH, or a general-purpose PROM programmer should
TMP88PH40MG has a built-in 512 bytes + 128 bytes Data memory (static RAM).
1. Control pins
2. I/O ports
be set only in the program memory area to access.
Vector table area
Program area
Mask ROM
except that the TEST pin does not have a built-in pull-down resistor.
Reserved
Reserved
The control pins of the TMP88PH40MG are the same as those of the TMP88CH40MG
RAM
DBR
SFR
Figure 15-1 Program Memory Area
FFFFF
002BF
07EFF
FFF00
00000
00040
04000
to
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Vector table area
Program area
MCU mode
Reserved
Reserved
RAM
DBR
SFR
03EFF
03FFF
00000
03F00
Vector table area
Program area
PROM mode
TMP88PH40MG