參數(shù)資料
型號: HD404369S
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer
中文描述: 4位HMCS400系列微機
文件頁數(shù): 109/115頁
文件大?。?/td> 452K
代理商: HD404369S
HD404369 Series
109
Item
RESET
low width
STOPC
low width
RESET
rise time
STOPC
rise time
Symbol
Pins
RESET
STOPC
RESET
STOPC
Min
Typ
Max
Unit
Test Condition
Notes
t
RSTL
t
STPL
t
RSTr
t
STPr
C
in
2
t
cyc
t
RC
ms
7
1
8
20
7
20
ms
8
Input capacitance
All input pins except
TEST, R1 and R2
15
pF
f = 1 MHz, V
in
= 0 V
TEST
15
pF
f = 1 MHz, V
in
= 0 V 9
f = 1 MHz, V
in
= 0 V 10
f = 1 MHz, V
in
= 0 V
TEST
180
pF
R1, R2
30
pF
Notes: 1. When using the subsystem oscillator (32.768 kHz), one of the following relationships for f
OSC
must be applied.
0.4 MHz
f
OSC
1.0 MHz or 1.6 MHz
f
OSC
5.0 MHz
The operating range for f
OSC
can be set with bit 1 of system clock selection register 1 (SSR1:
$027).
2. When using the subsystem oscillator (32.768 kHz), one of the following relationships for f
OSC
must be applied.
0.4 MHz
f
OSC
1.0 MHz or 1.6 MHz
f
OSC
8.5 MHz
The operating range for f
OSC
can be set with bit 1 of system clock selection register 1 (SSR1:
$027).
3. V
CC
= 4.5 to 5.5V
4. The oscillation stabilization time is the period required for the oscillator to stabilize in the
following situations:
a. After V
CC
reaches 2.7 V at power-on.
b. After
RESET
input goes low when stop mode is cancelled.
c. After
STOPC
input goes low when stop mode is cancelled.
To ensure the oscillation stabilization time at power-on or when stop mode is cancelled,
RESET
or
STOPC
must be input for at least a duration of t
RC
.
When using a crystal or ceramic oscillator, consult with the manufacturer to determine what
stabilization time is required, since it will depend on the circuit constants and stray capacitance.
5. Refer to figure 84.
6. Refer to figure 85.
7. Refer to figure 86.
8. Refer to figure 87.
9. Applies to the HD40A4364, HD40A4368, HD40A43612, and HD40A4369.
10.Applies to the HD407A4369.
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