AT89C51SND1C-7HTUL Atmel, AT89C51SND1C-7HTUL Datasheet - Page 143
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AT89C51SND1C-7HTUL
Manufacturer Part Number
AT89C51SND1C-7HTUL
Description
IC MCU 64KB FLASH MEM 81-CBGA
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
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
-
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18.8
4109L–8051–02/08
Registers
Figure 18-16. Serial I/O Interrupt System
Figure 18-17. Interrupt Waveforms
Table 126. SCON Register
SCON (S:98h) – Serial Control Register
SMOD0 = X
SMOD0 = 1
SMOD0 = 0
SMOD0 = 1
SMOD0 = 1
RXD
RXD
FE/SM0
FE
FE
RI
RI
RI
7
OVR/SM1
Start Bit
Start bit
6
SCON.0
SCON.1
RI
TI
D0
D0
SM2
5
D1
D1
b. Mode 2 and 3
D2
D2
IEN0.4
a. Mode 1
REN
ES
4
D3
D3
8-bit Data
9-bit data
D4
D4
TB8
3
Serial I/O
Interrupt Request
D5
D5
AT8xC51SND1C
RB8
D6
D6
2
D7
D7
TI
Stop Bit
1
D8
Stop bit
RI
0
143
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