
Freescale
C-10
MC68HC05B6
Rev. 4.1
MC68HC705B5
14
Figure C-4 Modes of operation flow chart (2 of 2)
Programming OK?
Negative
address?
PD4 set?
PD3 set?
Transmit last four
programmed locations
A
Red LED off
Receive address
Receive four data
Execute RAM
program at $0083
Green LED on
Load next RAM
byte
RAM full?
Execute RAM
program at $0050
Program EPROM data
at address; green LED
flashes
Red LED on
N
Y
N
Serial EPROM (RAM) bootstrap
Bad EPROM
Bootstrap RAM
programming
N