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參數(shù)資料
| 型號： | 38D5 |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機 |
| 文件頁數(shù)： | 11/141頁 |
| 文件大小： | 2027K |
| 代理商： | 38D5 |
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Rev.3.01
REJ03B0158-0301
Aug 08, 2007
Page 11 of 134
38D5 Group
NOTE:
1. For detailed specifications, confirm the descriptions in the Datasheet.
Notes on Differences between QzROM and Flash Mem-
ory Versions
(1) The memory map, the writing modes and programming
circuits vary because of the differences in their internal
memories.
(2) The oscillation parameters of X
IN
-X
OUT
and X
CIN
-X
COUT
may vary.
(3) The QzROM version and the flash memory version MCUs
differ in their manufacturing processes, built-in ROM, and
layout patterns. Because of these differences, characteristic
values, operation margins, A/D conversion accuracy, noise
immunity, and noise radiation may vary within the specified
range of electrical characteristics.
(4) When switching from the flash memory version to the
QzROM version, implement system evaluations equivalent
to those implemented in the flash memory version.
(5) The both operations except the electrical characteristics are
same at the emulator (emulator MCU board: M38D59T-
RLFS).
Table 6
Differences between QzROM and flash memory versions
QzROM version
Flash memory version
Oscillation circuit at reset and at returning from stop mode
Main clock X
IN
or on-chip oscillator selectable
by OSCSEL pin
OSCSEL = “H”
On-chip oscillator
Termination of OSCEL/CNV
SS
pin
Main clock oscillation at reset and at returning from
stop mode
On-chip oscillator oscillation at reset and at returning
from stop mode
System clock
φ
oscillation at reset and at returning
from stop mode
Mounting of main clock oscillation circuit
OSCSEL = “L”
CNV
SS
= “L”
Oscillation on
Stop
Stop
Stop
Oscillation on
Oscillation on
f(X
IN
)/8
f(OCO)/32
f(OCO)/32
Required
Optional
Optional
On-chip oscillator oscillation in low speed-mode
Stop
Stop by setting the on-chip
oscillator stop bit because it
is not stopped.
On-chip oscillator is not
stopped
2 ms or more
0.3 to V
CC
+ 0.3
2.7 V
2.7 V
Writing “1” to on-chip oscillator stop bit in on-chip
oscillator mode
Reset input “L” pulse width
Absolute maximum rating: OSCSEL/CNV
SS
pin
Minimum operating power source voltage
A/D converter minimum operating power source voltage
On-chip oscillator is stopped
2
μ
s or more
0.3 to 8.0
1.8 V
2.0 V
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