Philips Semiconductors
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
Preliminary data
80C3xX2; 80C5xX2;
87C5xX2
+5V
A0–A7
1
1
1
4–6MHz
P1
RST
P3.6
P3.7
XTAL2
XTAL1
VSS
VCC
P0
OTP
EA/VPP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.5
PGM DATA
1
1
0
0 ENABLE
0
A8–A12
Figure 42. Program Verification
SU01489
PROGRAMMING AND VERIFICATION CHARACTERISTICS
Tamb = 21 °C to +27 °C, VCC = 5 V±10%, VSS = 0 V (See Figure 43)
SYMBOL
PARAMETER
VPP
Programming supply voltage
IPP
Programming supply current
1/tCLCL
Oscillator frequency
tAVGL
Address setup to PROG low
tGHAX
Address hold after PROG
tDVGL
Data setup to PROG low
tGHDX
Data hold after PROG
tEHSH
P2.7 (ENABLE) high to VPP
tSHGL
VPP setup to PROG low
tGHSL
VPP hold after PROG
tGLGH
PROG width
tAVQV
Address to data valid
tELQZ
ENABLE low to data valid
tEHQZ
Data float after ENABLE
tGHGL
PROG high to PROG low
NOTE:
1. Not tested.
MIN
12.5
4
48tCLCL
48tCLCL
48tCLCL
48tCLCL
48tCLCL
10
10
90
0
10
MAX
13.0
50 1
6
110
48tCLCL
48tCLCL
48tCLCL
UNIT
V
mA
MHz
µs
µs
µs
µs
2001 Sep 24
48