AT83C5134 Atmel Corporation, AT83C5134 Datasheet - Page 150

• Manufacturer Part Number: AT83C5134
• Manufacturer: Atmel Corporation

Specifications of AT83C5134

• 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): 8
• Watchdog: Yes

27.4.8
27.4.9
27.4.10
27.4.11
27.4.12
7683C–USB–11/07
Shift Register Timing Waveform
External Clock Drive Characteristics (XTAL1)
External Clock Drive Waveforms
AC Testing Input/Output Waveforms
Float Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 27-11. AC Parameters
AC inputs during testing are driven at V
measurement are made at V
For timing purposes as port pin is no longer floating when a 100 mV change from load voltage
occurs and begins to float when a 100 mV change from the loaded V
≥ ±20 mA.
T
QVXH
0
INPUT/OUTPUT
T
CHCX
Symbol
T
T
T
T
T
T
XHDV
CHCX
CLCX
CLCH
CHCL
CLCL
0.45V
/T
1
0
CLCX
V
VALID
T
CC
XLXL
-0.5V
Parameter
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
T
XHQX
2
1
VALID
IH
0.2V
min for a logic “1” and V
T
0.7V
3
V
V
XHDX
2
V
OH
OL
CC
VALID
CC
CC
-0.1
T
+ 0.1 V
- 0.1 V
0.45V
CHCL
-0.5V
4
CC
3
VALID
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing
FLOAT
V
LOAD
5
4
VALID
T
CLCX
IL
6
max for a logic “0”.
5
VALID
0.2 V
0.2 V
Min
21
40
5
5
AT83C5134/35/36
CC
CC
T
V
V
7
CLCL
+ 0.9
- 0.1
LOAD
LOAD
6
VALID
OH
+ 0.1 V
- 0.1 V
T
/V
SET TI
CLCH
SET RI
T
8
OL
7
CHCX
VALID
Max
60
level occurs. I
5
5
Units
ns
ns
ns
ns
ns
%
OL
151
/I
OH