UPD75P216ACW NEC, UPD75P216ACW Datasheet - Page 19

• Manufacturer Part Number: UPD75P216ACW
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

Data Memory STOP Mode Low Voltage Data Retention Characteristics (T
Note 1. The oscillation stabilization wait time is a period during which the CPU is kept inactive in order to
Data Retention Timing (STOP mode is released by RESET input)
Data Retention Timing (Standby release signal: STOP mode is released by interrupt signal)
Oscillation stabilization time
RESET
Data retention voltage
Data retention current
Released signal SET time
V
Standby release signal
(interrupt request)
DD
2. Depends on the setting of the basic interval time mode register (BTM) (see the following table).
V
avoid unstable operation at the start of oscillation.
DD
Parameter
Execution of STOP instruction
BTM3
—
—
—
—
Execution of STOP instruction
BTM2
0
0
1
1
Note 1
BTM1
Symbol
0
1
0
1
V
t
I
t
WAIT
DDDR
SREL
DDDR
BTM0
Data retention mode
V
V
Released by RESET input
Released by interrupt request
STOP mode
DDDR
0
1
1
1
DDDR
V
Data retention mode
= 2.0 V
DDDR
2
2
2
2
STOP mode
20
17
15
13
/f
/f
/f
/f
XX
XX
XX
XX
Conditions
(approx. 250 ms)
(approx. 31.3 ms)
(approx. 7.82 ms)
(approx. 1.95 ms)
Wait time (
Internal reset operation
t
SREL
): f
a
t
XX
HALT mode
SREL
= –10 to +70 C)
= 4.19 MHz
t
MIN.
WAIT
2.0
0
HALT mode
t
WAIT
2
TYP.
Note 2
0.1
17
/f
Operation mode
X
PD75P216A
Operation mode
MAX.
5.5
10
Unit
ms
ms
V
A
s
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