AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 169

• 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

27.4.6
27.4.7
4337K–USB–04/08
External Data Memory Read Cycle
Serial Port Timing - Shift Register Mode
PORT 0
PORT 2
ALE
PSEN
RD
OR SFR-P2
ADDRESS
Table 27-8.
Table 27-9.
Table 27-10. AC Parameters for a Variable Clock
Symbol
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
Symbol
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
Symbol Description (F = 40 MHz)
AC Parameters for a Fix Clock (F = 40 MHz)
XLXL
A0-A7
Symbol
T
T
T
T
T
T
LLAX
T
QVHX
XHQX
XHDX
XHDV
XLXL
AVWL
T
Type
Max
LLWL
Min
Min
Min
Min
T
AVDV
T
LLDV
ADDRESS A8-A15 OR SFR P2
Standard
T
Min
10 T - x
10 T - x
300
200
2 T - x
30
Clock
0
RLAZ
12 T
x
Parameter
Serial port clock cycle time
Output data set-up to clock rising edge
Output data hold after clock rising edge
Input data hold after clock rising edge
Clock rising edge to input data valid
T
RLRH
X2 Clock
5 T - x
5 T- x
T - x
6 T
x
AT89C5130A/31A-M
Max
DATA IN
117
T
T
WHLH
RHDX
for -M Range
X Parameter
133
50
20
0
T
RHDZ
Units
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
169