upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 57

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

DATA MEMORY STOP MODE LOW POWER SUPPLY VOLTAGE DATA RETENTION CHARACTERISTICS (Ta = –40
to +85 C)
* 1. Current to the on-chip pull-down resistor and power-on reset circuit (mask option) is not included.
Data Retention Timing (STOP Mode Release by RESET)
Release signal set time
Oscillation stabilization
wait time *2
Data retention power
supply voltage
Data retention power
supply current *1
2. Oscillation stabilization wait time is time to stop CPU operation to prevent unstable operation upon oscillation
3. According to the setting of the basic interval timer mode register (BTM) (see below).
RESET
PARAMETER
start.
V
DD
STOP Instruction Execution
BTM3
—
—
—
—
BTM2
0
0
1
1
SYMBOL
V
I
t
t
DDDR
SREL
WAIT
DDDR
BTM1
0
1
0
1
V
Release by RESET
Release by interrupt request
DDDR
BTM0
V
Data Retention Mode
DDDR
= 2.0V
0
1
1
1
STOP Mode
Wait Time (Values at f
2
2
2
2
TEST CONDITIONS
20
17
15
13
/f
/f
/f
/f
XX
XX
XX
XX
(approx. 250 ms)
(approx. 31.3 ms)
(approx. 7.82 ms)
(approx. 1.95 ms)
Internal Reset Operation
XX
t
SREL
= 4.19 MHz in parentheses)
HALT Mode
t
WAIT
MIN.
2.0
0
Operating Mode
2
TYP.
0.1
17
*3
/f
X
MAX.
PD75212A
6.0
10
UNIT
ms
ms
V
A
s
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