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參數(shù)資料
| 型號： | UPD784916AGF |
| 廠商： | NEC Corp. |
| 英文描述： | 16-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | 16位單晶片微控制器 |
| 文件頁數(shù)： | 11/86頁 |
| 文件大?。?/td> | 446K |
| 代理商： | UPD784916AGF |
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μ
PD784915A, 784916A
11
1. DIFFERENCES AMONG
μ
PD784915 SUBSERIES PRODUCTS
The
μ
PD784915 subseries comprises the four products shown in Table 1-1. The
μ
PD784915A, which is a process-
shrinked version of the
μ
PD784915 is a low-cost product. The
μ
PD784916A is a version of the
μ
PD784915 with
internal ROM extended to 62K bytes. The
μ
PD78P4916 is a product with the mask ROM of the
μ
PD784915, 784915A,
and 784916A replaced by a writable one-time PROM. Therefore, it has the same functions as those of the
μ
PD784915,
784915A and 784916A, with only exception that it has PROM for internal ROM and a different capacity.
Before using the PROM to perform debugging or preproduction of an application system and then using the mask
ROM to proceed with volume production, etc., thoroughly check the differences between these products.
For more information about the CPU functions and on-chip hardware, see
μ
PD784915 Subseries User’s Manual
- Hardware (U10444E)
.
Table 1-1. Differences among
μ
PD784915 Subseries Products
Item
μ
PD784915, 784915A
Mask ROM
48K bytes
1280 bytes
Not available
The
μ
PD78P4916 has additional PROM write/read related
pin functions.
Since these products are different in circuit scale and mask
layout, they partly differ in noise resistance, noise radiation
and electrical specifications.
μ
PD784916A
Mask ROM
62K bytes
1280 bytes
Not available
μ
PD78P4916
One-time PROM
62K bytes
Note
2048 bytes
Note
Available
Internal ROM
Internal RAM
Internal memory capacity select register (IMS)
Pin connections
Other
Note
The internal PROM and internal RAM capacities can be changed by the internal memory capacity select
register (IMS).
Caution
The PROM version and mask ROM version differ in noise immunity and noise radiation, etc.
When considering replacing a PROM product with a mask ROM product when switching from
preproduction to volume production, perform sufficient evaluation using a CS version (not ES
version) of the mask ROM product.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD784915B | 16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD784915BGF | 16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD784916B | 16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD784916BGF | 16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD799 | 2048-BIT CCD IMAGE SENSOR |
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|---|---|
| UPD784935AGF-113-3BA | 制造商:NEC Electronics Corporation 功能描述: |
| UPD784938AGF-188-3BA | 制造商:NEC Electronics Corporation 功能描述: |
| UPD789104AMC(A)-968-5A4-E2 | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD789104AMC-671-5A4-E1 | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD789104AMC-672-5A4-E1 | 制造商:Renesas Electronics Corporation 功能描述: |
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