AT80C51RD2 Atmel Corporation, AT80C51RD2 Datasheet - Page 65

• Manufacturer Part Number: AT80C51RD2
• Manufacturer: Atmel Corporation

Specifications of AT80C51RD2

• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 32
• Spi: 1
• Uart: 1
• Sram (kbytes): 1.25
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Watchdog: Yes

62
AT80C51RD2
Figure 17-1. I
Figure 17-2. I
Figure 17-3. I
CC
CC
CC
CLOCK
SIGNAL
CLOCK
SIGNAL
Test Condition, Active Mode
Test Condition, Idle Mode
Test Condition, Power-down Mode
(NC)
(NC)
(NC)
V
CC
RST
XTAL2
XTAL1
V
SS
RST
XTAL2
XTAL1
V
RST
XTAL2
XTAL1
V
SS
SS
V
EA
CC
I
P0
CC
V
V
EA
EA
CC
V
CC
P0
I
I
P0
CC
CC
CC
V
CC
V
V
CC
CC
V
V
CC
CC
All other pins are disconnected.
All other pins are disconnected.
All other pins are disconnected.
4113D–8051–01/09