參數(shù)資料
型號(hào)： UPD784218GC
廠商： NEC Corp.
英文描述： Connector assemblies, Network cables;
中文描述： 16-/8-bit的單晶片微控制器
文件頁數(shù)： 8/92頁
文件大?。?/td> 617K
代理商： UPD784218GC
μ
PD784218, 784218Y
Data Sheet U12304EJ2V0DS00
8
1. DIFFERENCES AMONG MODELS IN
μ
PD784218, 784218Y SUBSERIES
The
μ
PD784218Y is the
μ
PD784218 with I
2
C bus control added.
The
μ
PD78F4218 and 78F4218Y are provided with a 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
μ
PD784218, 784218Y Subseries
Part Number
Item
μ
PD784218,
μ
PD784218Y
μ
PD78F4218,
μ
PD78F4218Y
Internal ROM
256 KB
(mask ROM)
256 KB
(Flash memory)
Internal RAM
12,800 bytes
Internal memory
size switching
register (IMS)
None
Provided
Note
Supply voltage
V
DD
= 2.2 to 5.5 V
V
DD
= 2.7 to 5.5 V
Electrical
specifications
Refer to the data sheet for each device.
Recommended
soldering
conditions
TEST pin
Provided
None
V
PP
pin
None
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.
2. DIFFERENCES BETWEEN
μ
PD784218 AND
μ
PD784216
Table 2-1 shows the differences between the
μ
PD784218 and
μ
PD784216.
Table 2-1. Differences between
μ
PD784218 and
μ
PD784216
Part Number
μ
PD784218
μ
PD784216
Item
Internal ROM
256 KB
128 KB
Internal RAM
12,800 bytes
8,192 bytes
ROM correction
Provided
None
External access status function
Provided
None
相關(guān)PDF資料
PDF描述
UPD784218GF 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784218Y 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784218 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784218GC-XXX-8EU 16-Bit Microcontroller
UPD784218GF-XXX-3BA 16-Bit Microcontroller
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