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參數(shù)資料
| 型號： | UPD75P316A |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 13/40頁 |
| 文件大小： | 320K |
| 代理商： | UPD75P316A |
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13
μ
PD75P048
2. DIFFERENCES BETWEEN THE
μ
PD75P048 AND THE
μ
PD75048
The
μ
PD75P048 is a One-Time PROM version of the
μ
PD75048. The
μ
PD75P048 has the same CPU and
internal hardwares. Table 2-1 shows the differences between the
μ
PD75P048 and the
μ
PD75048. Bear in mind
the differences between these two products when debugging or developing on an experimental basis your
application system by using the one-time PROM model, and then mass-producing the application system by
using the mask ROM model.
Details for the CPU functions and internal hardwares are available in
μ
PD75048 User’s Manual (IEU-1278)
.
Table 2-1 Differences between the
μ
PD75P048 and the
μ
PD75048
Items
Program Memory
Pull-up Resistors
Pull-Down Resistors
XT1 Feedback Resistor
Pin Connection
Electrical Specification
Other
μ
PD75P048
μ
PD75048
One-time PROM
Mask ROM
0000H to 1F7FH
8064
×
8 bits
Software-selectable
N/A
Mask-option
Software-selectable
On-chip
Mask-option
P33/MD3 - P30/MD0
P33 - P30
V
PP
IC
Current dissipation differs. For details,
refer to Data Sheet of each model.
Circuit scale and mask layout differ.
Consequently, noise immunity and noise
radiation differ.
Ports 0 to 3 and 6 to 8
Ports 4, 5 and 10
Port 9
60 - 63 (SDIP)
5 - 8 (QFP)
16 (SDIP)
25 (QFP)
Note
The noise immunity and noise radiation of the PROM and mask ROM models differ. To replace the PROM
mode, which has been used for experimental production of your application system with the mask ROM
model for mass production of the application system, be sure to perform thorough evaluation by using
the CS model (not ES model) of the mask ROM model.
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