Intel 87C196CB User Manual
10-3
PROGRAMMING THE NONVOLATILE MEMORY
Figure 10-1. Auto Programming Circuit
10.4 MEMORY MAP FOR SERIAL PORT PROGRAMMING
The 87C196CB’s memory map (Table 10-4) for serial port programming differs from that of the
8XC196NT. The remaining information on serial port programming is correct for the 87C196CB.
8XC196NT. The remaining information on serial port programming is correct for the 87C196CB.
270k
Ω
+5.0V
XTAL1
20 pF
20 pF
XTAL2
P2.7/PACT#
P2.5
P2.4
P2.3
P2.2
P2.1
P2.4
P2.3
P2.2
P2.1
P2.0/PVER
RESET#
+12.50V
100 k
Ω
1 k
Ω
10µF
74HC14
1.0µF
Reset
EA#
V
PP
V
REF
P0.7/
PMODE.3
PMODE.3
P0.6/
PMODE.2
PMODE.2
P0.5/
PMODE.1
PMODE.1
P0.4/
PMODE.0
PMODE.0
ANGND
READY/P5.6
NMI
BUSWIDTH/P5.7
RD#/P5.3
P1.2
P1.1
AD13:8
87C196CB
A7:0
ALE/P5.0
A13:8
A14
OE#
CE#
LE OE#
O7:0
A15
74LS373
V
CC
V
CC
V
CC
A3228-01
V
CC
V
CC
V
SS
27(C)512
270k
Ω
V
CC
74HC14
74HC14
ON = Programming
ON = Error
AD7:0
A16
P1.3