89C51IC2-CM ATMEL [ATMEL Corporation], 89C51IC2-CM Datasheet - Page 85

• Manufacturer Part Number: 89C51IC2-CM
• Description: 8-bit Flash Microcontroller with 2-wire Interface
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 36. Block Diagram
4301A–8051–01/04
PI2.1
PI2.0
SDA
SCL
Input
Filter
Output
Stage
Input
Filter
Output
Stage
Timer 1
overflow
Status
Bits
SSADR
SSCON
SSDAT
SSCS
Arbitration &
Sink Logic
Serial clock
generator
Address Register
Status Register
Comparator
Control Register
Shift Register
Status
Decoder
Timing &
Control
logic
8
8
8
7
ACK
F
CLK PERIPH
Interrupt
AT89C51IC2
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