11-3

PROGRAMMING THE NONVOLATILE MEMORYFigure 11-1. Slave Programming CircuitTable 11-3. Slave Programming Mode Address Map

Description Address Comments

OTPROM 2000–7FFFH OTPROM Cells

OFD 0778H OTPROM Cell

DED0758H UPROM Cell

DEI0718H UPROM Cell

PCCB 0218H Test EPROM

Programming VCC 0072H Read Only

Programming VPP 0073H Read Only

Signature word 0070H Read Only

These bits program the UPROM cells. Once these bits are programmed, they cannot be erased, and

dynamic failure analysis of the device is impossible.

P2.6
P2.4
P2.2
P2.1
P2.0
P0.7/PMODE.3
P0.6/PMODE.2
P0.5/PMODE.1
P0.4/PMODE.0
ANGND

EA#

XTAL1
0.1 µF
RESET#
CLOCK

EA#

Pullups Required

P4.7 - P3.0

87C196LA, LB
RESET#

10

k
V
CC
V
CC
V
PP
V
CC
A5277-01
V
REF
V
CC
V
SS
P3.7:0
P4.7:0 PBUS
V
PP
CPVER
AINC#
PROG#
PALE#
PVER