AT89C51SND1C-7HTUL Atmel, AT89C51SND1C-7HTUL Datasheet - Page 186

• Manufacturer Part Number: AT89C51SND1C-7HTUL
• Description: IC MCU 64KB FLASH MEM 81-CBGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-7HTUL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IDE/ATAPI, MMC, SPI, UART/USART, USB
• Peripherals: Audio, I²S, MP3, PCM, POR, WDT
• Number Of I /o: 44
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 81-CBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.2.6
23.2.6.1
23.2.6.2
23.2.7
23.2.7.1
23.2.7.2
186
AT8xC51SND1C
MMC Controller
In System Programming
Schematic
Parameters
Schematic
Parameters
Figure 23-7. MMC Connection
Table 160. MMC Components Characteristics
V
Figure 23-8. ISP Pull-Down Connection
Table 161. ISP Pull-Down Characteristics
V
DD
DD
Symbol
Symbol
R
R
R
= 2.7 to 3.3 V, T
= 2.7 to 3.3 V, T
CMD
DAT
ISP
MMC/SD Command Line Pull-Up Resistor
MMC/SD Data Line Pull-Up Resistor
ISP Pull-Down Resistor
A
A
= -40 to +85°C
= -40 to +85°C
Parameter
Parameter
VDD
ISP
R
R
CMD
DAT
MDAT
MCMD
VSS
R
ISP
Min
Min
1OO
Typ
Typ
2.2
10
Max
Max
4109L–8051–02/08
Unit
Unit
KΩ
KΩ
KΩ