P87LPC764BD NXP Semiconductors, P87LPC764BD Datasheet - Page 50

• Manufacturer Part Number: P87LPC764BD
• Description: MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 5V 20-Pin SO Tube
• Manufacturer: NXP Semiconductors

Specifications of P87LPC764BD

• Package: 20SO
• Device Core: 80C51
• Family Name: 87LP
• Maximum Speed: 20 MHz
• Ram Size: 128 Byte
• Program Memory Size: 4 KB
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 18
• Interface Type: I2C/UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 2

1. Applies only to an external clock source, not when a crystal is connected to the X1 and X2 pins.
2. Tested at V
3. These parameters are characterized but not tested.
4. +/– 2.5% accuracy enables serial communication over the UART with the internal Oscillator.
5. Min frequency at hot temperature.
Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS (FOR P87LPC764BD/01, BDH/01)
T
NOTES:
2003 Sep 03
amb
External Clock
Internal RC Oscillator
Shift Register
SYMBOL
SYMBOL
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
f
f
f
t
t
t
t
osc(cal)
t
t
t
t
osc(tol)
osc(tol)
t
CHCX
CHCX
QVXH
XHQX
XHDV
XHDX
CLCX
CLCX
XLXL
f
f
= 0 C to +70 C, V
osc
osc
t
C
DD
FIGURE
FIGURE
= 5.0 V and room temperature.
39
39
39
39
39
39
39
38
38
38
38
38
DD
Oscillator frequency (V
Oscillator frequency (V
Clock period and CPU timing cycle
Clock low-time
Clock high-time
On-chip RC oscillator calibration
On-chip RC oscillator, 0 C to +50 C
On-chip RC oscillator, 0 C to +70 C
Serial port clock cycle time
Output data setup to clock rising edge
Output data hold after clock rising edge
Input data setup to clock rising edge
Input data hold after clock rising edge
= 2.7 V to 6.0 V unless otherwise specified; V
1
1
PARAMETER
PARAMETER
DD
DD
= 4.0 V to 6.0 V)
= 2.7 V to 6.0 V)
2
3,4
3
tol.
tol.
49
SS
= 0 V
f
f
f
1,2,3
osc(RC)
osc(RC)
osc(RC)
f
f
f
f
osc
osc
osc
osc
= 20 MHz
= 10 MHz
= 20 MHz
= 10 MHz
= 6 MHz
= 6 MHz
= 6 MHz
5t
1t
C
1/f
–2.5
C
MIN
–5
6t
20
40
20
40
–1
– 133
0
0
–
0
– 80
osc
C
5
LIMITS
5t
P87LPC764
C
MAX
+2.5
+2.5
20
10
+1
– 133
–
–
–
–
–
–
–
–
–
Product data
UNIT
UNIT
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%