AT89C5131A-PUTUM Atmel, AT89C5131A-PUTUM Datasheet - Page 170

• Manufacturer Part Number: AT89C5131A-PUTUM
• Description: IC 8051 MCU FLASH 32K USB 32QFN
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-PUTUM

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Core: 8051
• Processor Series: AT89x
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 48 MHz
• Data Ram Size: 1.25 KB
• Number Of Programmable I/os: 34
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.7 V to 5.5 V
• Mounting Style: SMD/SMT
• Height: 0.95 mm
• Interface Type: 2-Wire, EUART, SPI, USB
• Length: 7 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 7 mm
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

27.4.8
27.4.9
27.4.10
27.4.11
27.4.12
170
AT89C5130A/31A-M
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
CHCX
Symbol
T
T
T
T
T
T
CHCX
CLCH
CHCL
CLCL
CLCX
QVXH
0
/T
CLCX
INPUT/OUTPUT
T
XHDV
0.45V
Parameter
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
1
0
V
VALID
T
CC
XLXL
-0.5V
T
XHQX
2
1
VALID
IH
0.2V
min for a logic “1” and V
T
0.7V
V
V
3
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
FLOAT
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing
V
LOAD
5
4
VALID
T
CLCX
IL
Min
6
21
40
max for a logic “0”.
5
5
5
VALID
0.2 V
0.2 V
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
Max
OL
7
60
CHCX
5
5
VALID
level occurs. I
4337K–USB–04/08
Units
ns
ns
ns
ns
ns
%
OL
/I
OH