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UPD784214A Datasheet(PDF) 8 Page - NEC

Part # UPD784214A
Description  16-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD784214A Datasheet(HTML) 8 Page - NEC

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Data Sheet U14121EJ2V0DS00
8
µµµµPD784214A,784215A,784216A,784217A,784218A,784214AY,784215AY,784216AY,784217AY,784218AY
1. DIFFERENCES AMONG MODELS IN
µµµµPD784216A, 784216AY/784218A, 784218AY
SUBSERIES
The only difference among the
µPD784214A, 784215A, 784216A, 784217A, and 784218A lies in the internal
memory capacity.
The
µPD784214AY, 784215AY, 784216AY, 784217AY, and 784218AY are models with the addition of an I2C bus
control function.
The
µPD78F4216A, 78F4216AY, 78F4218A, and 78F4218AY are provided with a 128 KB/256 KB flash memory
instead of the mask ROM of the above models.
These differences are summarized in Table 1-1.
Table 1-1. Differences Among Models in
µµµµPD784216A, 784216AY/784218A, 784218AY Subseries
Part Number
Item
µPD784214A,
µPD784214AY
µPD784215A,
µPD784215AY
µPD784216A,
µPD784216AY
µPD784217A,
µPD784217AY
µPD784218A,
µPD784218AY
µPD78F4216A,
µPD78F4216AY
µPD78F4218A,
µPD78F4218AY
Internal ROM
96 KB
(Mask
ROM)
128 KB (Mask ROM)
192 KB
(Mask
ROM)
256 KB
(Mask
ROM)
128 KB
(Flash
memory)
256 KB
(Flash
memory)
Internal RAM
3,584 bytes
5,120 bytes
8,192 bytes
12,800 bytes
5,120 bytes
12,800
bytes
Internal memory size
switching register
(IMS)
Not provided
Provided
Note
ROM correction
Not provided
Provided
Not
provided
Provided
External access status
function
Not provided
Provided
Not
provided
Provided
Supply voltage
VDD = 1.8 to 5.5 V
VDD = 1.9 to 5.5 V
Electrical
specifications
Recommended
soldering conditions
Refer to the data sheet for each device.
EXA pin
Not provided
Provided
Not
provided
Provided
TEST pin
Provided
Not provided
VPP pin
Not provided
Provided
Note The internal flash memory capacity and internal RAM capacity can be changed using the internal memory
size switching register (IMS).
Caution There are differences in noise immunity and noise radiation between the flash memory and 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 on the
commercial samples (not engineering samples) of the mask ROM version.


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