Ram Data Memory - Holtek HT45F23A Manual

Note: * may be resistor or capacitor. The resistance of * must be greater than 1kΩ or the capacitance
of * must be less than 1nF.

RAM Data Memory

The Data Memory is a volatile area of 8-bit wide RAM internal memory and is the location where
temporary information is stored.
0 0 H
3 F H
4 0 H
B F H
Note: Most of the Data Memory bits can be directly manipulated using the "SET [m].i" and
"CLR [m].i" with the exception of a few dedicated bits. The Data Memory can also be
accessed through the memory pointer registers.
Rev. 1.40
TinyPower Flash MCU with OPA & Comparators
TM
Programmer Pin
RES
DATA
CLK
Programmer and MCU Pins
W r i t e r C o n n e c t o r
S i g n a l s
W r i t e r _ V D D
R E S
D A T A
C L K
W r i t e r _ V S S
*
T o o t h e r C i r c u i t
B a n k 1
B a n k 0
S p e c i a l
P u r p o s e
R e g i s t e r s
E E C
G e n e r a l
P u r p o s e
R e g i s t e r s
: U n u s e d , r e a d a s " 0 0 "
0 6 " # . ! )
Data Memory Structure
26
HT45F23A/HT45F24A
MCU Pins
PB6
PA0
PA2
P r o g r a m m i n g P i n s
V D D
R E S
D A T A
C L K
V S S
* *
B a n k 1
B a n k 0
0 0 H
3 F H
4 0 H
E E C
S p e c i a l
P u r p o s e
4 1 H
P D
R e g i s t e r s
4 2 H
P D C
4 3 H
P D P U
G e n e r a l
P u r p o s e
R e g i s t e r s
F F H
: U n u s e d , r e a d a s " 0 0 "
0 6 " # . " )
March 29, 2019