AT89C51IC2-RLTIL Atmel, AT89C51IC2-RLTIL Datasheet - Page 8
![IC 8051 MCU FLASH 32K 44VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
AT89C51IC2-RLTIL
Manufacturer Part Number
AT89C51IC2-RLTIL
Description
IC 8051 MCU FLASH 32K 44VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51IC2-SLRIM.pdf
(147 pages)
Specifications of AT89C51IC2-RLTIL
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51IC2-RLTIL
Manufacturer:
ATMEL
Quantity:
640
Company:
Part Number:
AT89C51IC2-RLTIL
Manufacturer:
ATMEL
Quantity:
4 116
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Table 10. Two-Wire Interface Controller SFRs
Table 11. Keyboard Interface SFRs
8
SSCON
SSCS
SSDAT
SSADR
KBLS
KBE
KBF
Mnemonic
Mnemonic
AT89C51IC2
Add
Add
9Ch
9Dh
9Eh
93h
94h
95h
96h
Name
Synchronous Serial control
Synchronous Serial Status
Synchronous Serial Data
Synchronous Serial Address
Name
Keyboard Level Selector
Keyboard Input Enable
Keyboard Flag Register
SSCR2
KBLS7
SSC4
SSD7
SSA7
KBE7
KBF7
7
7
KBLS6
SSPE
SSC3
SSD6
SSA6
KBE6
KBF6
6
6
SSSTA
KBLS5
SSC2
SSD5
SSA5
KBE5
KBF5
5
5
SSSTO
KBLS4
SSC1
SSD4
SSA4
KBE4
KBF4
4
4
KBLS3
SSC0
SSD3
SSA3
KBE3
KBF3
SSI
3
3
KBLS2
SSAA
SSD2
SSA2
KBE2
KBF2
2
2
0
SSCR1
KBLS1
SSD1
SSA1
KBE1
KBF1
1
1
0
4301D–8051–02/08
SSCR0
KBLS0
SSGC
SSD0
KBE0
KBF0
0
0
0
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