AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 163

• Manufacturer Part Number: AT89C5131A-M
• Manufacturer: Atmel Corporation

Specifications of AT89C5131A-M

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 48 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 1024
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

27.2.1
Table 27-1.
Note:
27.3
4337K–USB–04/08
Symbol
I
OL
1. (T
USB DC Parameters
LED’s
Parameter
Output Low Current, P3.6 and P3.7 LED modes
A
= -20°C to +50°C, V
LED Outputs DC Parameters
Figure 27-3. I
Figure 27-4. Clock Signal Waveform for I
CC
- V
OL
= 2 V ± 20%)
CC
Test Condition, Power-down Mode
(NC)
1 - V
2 - D -
3 - D +
4 - GND
V
Receptacle
CC
USB “B”
BUS
RST
XTAL2
XTAL1
V
SS
Min
1
2
5
V
CC
V
T
4
3
R = 1.5 kΩ
R
-0.5V
EA
CC
0.45V
CHCL
pad
I
P0
CC
= 27Ω
T
2
1
V
CLCH
CC
V
CC
CC
= T
Typ
10
2
4
Tests in Active and Idle Modes
CHCL
R
= 5ns.
T
CLCH
Rpad
Rpad
0.7V
Max
AT89C5130A/31A-M
0.2V
20
All other pins are disconnected.
4
8
V
D +
D -
CC
REF
CC
-0.1
Unit
mA
mA
mA
Test Conditions
2 mA configuration
4 mA configuration
10 mA configuration
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