AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 28

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

6.3.5
6.3.5.1
6.3.5.2
6.3.5.3
28
AT89C5132
MMC Interface
Definition of Symbols
Timings
Waveforms
Table 14. MMC Interface Timing Symbol Definitions
Table 15. MMC Interface AC Timings
V
Figure 6-17. MMC Input Output Waveforms
T
T
T
T
T
T
T
T
T
DD
CHCH
CHCX
CLCX
CLCH
CHCL
DVCH
CHDX
CHOX
OVCH
= 2.7 to 3.3 V, T
Symbol
C
D
O
Signals
MCMD Output
MDAT Output
MCMD Input
MDAT Input
Parameter
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
Input Data Valid to Clock High
Input Data Hold after Clock High
Output Data Hold after Clock High
Output Data Valid to Clock High
Clock
Data In
Data Out
A
= -40 to +85°C, CL ≤ 100pF (10 cards)
MCLK
T
CHIX
T
T
CHCX
CHOX
T
CHCL
T
CHCH
H
L
V
X
Min
T
50
10
10
3
3
5
5
CLCX
T
OVCH
T
Conditions
CLCH
T
IVCH
High
Low
Valid
No Longer Valid
Max
10
10
4173ES–USB–09/07
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns