upd17240 Renesas Electronics Corporation., upd17240 Datasheet - Page 61

• Manufacturer Part Number: upd17240
• Description: 4-bit Single-chip Microcontrollers For Small General-purpose Infrared Remote Control Transmitters
• Manufacturer: Renesas Electronics Corporation.

Note
3
0
RAMFLAG is “0” when V
2
0
µ PD17240, 17241, 17242, 17243, 17244, 17245, 17246
1
0
DD
RAMFLAG
is about 1.4 V or less, and “undefined” when V
0
Data Sheet U15002EJ1V1DS
RAMFLAG
Address
RF: 21H
0
1
RAM data may be undefined.
RAM
After reset
Undefined
data are retained.
Note
RAM retention flag
R/W
R/W
DD
is about 1.4 V or more.
61