P89V662FBC,557 NXP Semiconductors, P89V662FBC,557 Datasheet - Page 9

• Manufacturer Part Number: P89V662FBC,557
• Description: IC 80C51 MCU FLASH 32K 44-TQFP
• Manufacturer: NXP Semiconductors
• Series: 89Vr

Specifications of P89V662FBC,557

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Package / Case: 44-TQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 36
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: P89V6x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: I2C/UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 622-1001 - USB IN-CIRCUIT PROG 80C51ISP
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-2435; 935280832557; P89V662FBC

NXP Semiconductors
Table 3.
[1]
[2]
P89V660_662_664_3
Product data sheet
Symbol
ALE/PROG
XTAL1
XTAL2
V
V
DD
SS
ALE loading issue: When ALE pin experiences higher loading (>30 pF) during the reset, the microcontroller may accidentally enter into
modes other than normal working mode. The solution is to add a pull-up resistor of 3 k to 50 k to V
For 6-clock mode, ALE is emitted at
Pin description
Pin
TQFP44
27
15
14
38
16
…continued
PLCC44
33
21
20
44
22
1
3
of crystal frequency.
Type
I/O
I
O
I
I
Rev. 03 — 10 November 2008
Description
Address Latch Enable: ALE is the output signal for latching
the low byte of the address during an access to external
memory. This pin is also the programming pulse input (PROG)
for flash programming. Normally the ALE
constant rate of
external timing and clocking. One ALE pulse is skipped during
each access to external data memory. However, if AO is set to
‘1’, ALE is disabled.
Crystal 1: Input to the inverting oscillator amplifier and input to
the internal clock generator circuits.
Crystal 2: Output from the inverting oscillator amplifier.
Power supply
Ground
80C51 with 512 B/1 kB/2 kB RAM, dual I
1
6
the crystal frequency
P89V660/662/664
DD
, e.g., for ALE pin.
[2]
[1]
and can be used for
© NXP B.V. 2008. All rights reserved.
is emitted at a
2
C-bus, SPI
9 of 89