AT83C5136 Atmel Corporation, AT83C5136 Datasheet - Page 142

• Manufacturer Part Number: AT83C5136
• Manufacturer: Atmel Corporation

Specifications of AT83C5136

• Max. Operating Frequency: 32 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): 512
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 4
• Mask Rom (kbytes): 32
• Watchdog: Yes

Notes:
7683C–USB–11/07
Symbol
V
PFDM
1. Operating I
2. Idle I
3. Power-down I
4. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the V
5. Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temperature.
6. Under steady state (non-transient) conditions, I
V
V
27-1.).
0.5V; XTAL2 N.C; Port 0 = V
ure 27-3.). In addition, the WDT must be inactive and the POF flag must be set.
and 3. The noise is due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins make 1 to 0
transitions during bus operation. In the worst cases (capacitive loading 100 pF), the noise pulse on the ALE line may exceed
0.45V with maxi V
Maximum I
Maximum I
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total I
If I
than the listed test conditions.
Parameter
Power Fail Low Level Threshold
Power fail hysteresis V
SS
IH
OL
= V
+ 0.5V,
CC
exceeds the test condition, V
CC
is measured with all output pins disconnected; XTAL1 driven with T
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
OL
OL
CC
CC
per port pin: 10 mA
per 8-bit port:
is measured with all output pins disconnected; XTAL1 driven with T
OL
is measured with all output pins disconnected; EA = V
Figure 27-1. I
OL
for all output pins: 71 mA
PFDP
peak 0.6V. A Schmitt Trigger use is not necessary.
- V
PFDM
CC
; EA = RST = V
CLOCK
SIGNAL
CC
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
Test Condition, Active Mode
(NC)
SS
OL
RST
XTAL2
XTAL1
V
(see Figure 27-2).
SS
must be externally limited as follows:
0.15
Min
2.2
CC
V
. I
EA
CC
I
P0
CC
CC
would be slightly higher if a crystal oscillator used (see Figure
V
CC
V
CC
Typ
(5)
CC
, PORT 0 = V
CLCH
All other pins are disconnected.
, T
CLCH
Max
CHCL
, T
CC
AT83C5134/35/36
= 5 ns, V
CHCL
; XTAL2 NC.; RST = V
= 5 ns (see Figure 27-4.), V
Unit
V
V
IL
= V
Test Conditions
OLS
SS
+ 0.5V, V
of ALE and Ports 1
SS
IH
(see Fig-
= V
CC
143
IL
=
-