IC80LV52 Datasheet, PDF (11/22 Pages) Integrated Circuit Solution Inc – CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER

IC80LV52
IC80LV32
ROM Verification
The address of the program memory location to be read is
applied to Port 1 and pins P2.4-P2.0. The other pins
should be held at the “Verify” level are indicated in Figure
10. The contents of the addressed locations exits on Port
0. External pullups are required on Port 0 for this operation.
Figure 10 shows the setup to verify the program memory.
A7-A0
P1
A12-A8
1
1
1
0
0
0
P2.4-P2.0
RST
EA
ALE
PSEN
P2.7
P2.6
XTAL1
4-6 MHz
XTAL2
GND
+ 3.3V
Vcc
10K x 8
P0
PGM
DATA
Figure 10. ROM Verification
Integrated Circuit Solution Inc.
11
MC006-0B