P89C660 Philips Semiconductors, P89C660 Datasheet - Page 34

• Manufacturer Part Number: P89C660
• Description: 80C51 8-bit Flash microcontroller family
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2002 Oct 28
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
*d = 6 in 6-clock mode; d = 12 in 12-clock mode.
*d = 6 in 6-clock mode; d = 12 in 12-clock mode.
Timer n
Gate bit
INTn Pin
Timer 0
Gate bit
INT0 Pin
OSC
OSC
OSC
Tn Pin
T0 Pin
TRn
d*
TR0
d*
d*
Figure 18. Timer/Counter 0/1 Mode 2: 8-Bit Auto-Reload
Figure 19. Timer/Counter 0 Mode 3: Two 8-Bit Counters
TR1
C/T = 0
C/T = 1
C/T = 0
C/T = 1
Control
34
Control
Control
(8 Bits)
(8 Bits)
TLn
THn
P89C660/P89C662/P89C664/
(8 Bits)
(8 Bits)
TH0
TL0
Reload
TFn
TF0
TF1
SU01619
Interrupt
P89C668
SU01620
Interrupt
Interrupt
Product data