at89s53-33pc ATMEL Corporation, at89s53-33pc Datasheet - Page 24

• Manufacturer Part Number: at89s53-33pc
• Description: At89s53, In-system Programmable Microcontroller With 12k Bytes Flash. For New Designs Use At89s8253.
• Manufacturer: ATMEL Corporation

Flash Programming and Verification Waveforms – Parallel Mode
Serial Downloading Waveforms
24
AT89S53
SERIAL CLOCK INPUT
MISO/P1.6
SCK/P1.7
SERIAL DATA INPUT
MOSI/P1.5
SERIAL DATA OUTPUT
MSB
MSB
7
6
5
4
3
2
1
LSB
LSB
0
0787E–MICRO–3/06