UPD78F0138 NEC, UPD78F0138 Datasheet - Page 436

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

flash memory to which a program can be written, erased, and overwritten while mounted on the board. Table 27-1
lists the differences between the
436
The
The
Notes 1. The
Caution There are differences in noise immunity and noise radiation between the flash memory and
Internal ROM configuration
Internal ROM capacity
Internal high-speed RAM capacity
Internal expansion RAM capacity
IC pin
V
Electrical specifications,
recommended soldering conditions
PP
µ
µ
PD78F0134 and 78F0138 are provided as the flash memory version of the 78K0/KE1.
PD78F0134 and 78F0138 replace the internal mask ROM of the
pin
2. The same capacity as the mask ROM versions can be specified by means of the internal memory size
switching register (IMS) and the internal expansion RAM size switching register (IXS).
mask ROM versions. When pre-producing an application set with the flash memory version and
then mass-producing it with the mask ROM version, be sure to conduct sufficient evaluations
for the commercial samples (not engineering samples) of the mask ROM versions.
Table 27-1. Differences Between
µ
Item
PD78F0134 does not support the
µ
PD78F0134, 78F0138 and the mask ROM versions.
CHAPTER 27
Flash memory
µ
µ
µ
µ
µ
µ
None
Available
Refer to the description of electrical specifications and recommended soldering
conditions.
PD78F0134
PD78F0138:
PD78F0134
PD78F0138:
PD78F0134
PD78F0138:
User’s Manual U16228EJ2V0UD
µ
PD78F0134, 78F0138
µ
Note 1
Note 1
Note 1
PD78F0134, 78F0138 and Mask ROM Versions
µ
µ
: 32 KB
: 1024 bytes
: None
PD780136 and 780138.
PD78F0134, 78F0138
60 KB
1024 bytes
1024 bytes
Note 2
Note 2
Note 2
Note 2
Note 2
µ
PD780134 and 780138 respectively with
Mask ROM
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
Available
None
PD780131: 8 KB
PD780132: 16 KB
PD780133: 24 KB
PD780134: 32 KB
PD780136: 48 KB
PD780138: 60 KB
PD780131: 512 bytes
PD780132: 512 bytes
PD780133: 1024 bytes
PD780134: 1024 bytes
PD780136: 1024 bytes
PD780138: 1024 bytes
PD780131: None
PD780132: None
PD780133: None
PD780134: None
PD780136: 1024 bytes
PD780138: 1024 bytes
Mask ROM Versions