HCSXXX Datasheet, PDF (26/28 Pages) Microchip Technology – Memory Programming Specification

HCSXXX
5.10 Programming Waveforms (HCS515)
FIGURE 5-11:
PROGRAMMING WAVEFORMS
TREQ
TCLKL
TSTART TCLKH
CLK
TDATA
TDS
TDATA
TDATA
µC Data
LSb
MSb LSb
MSb LSb
MSb
TRESP
HCS515
Data
Start Command _{Command Byte}
Configuration Byte
LSb
A
B
C
D
E
Note:
The programming command consists of the following:
• Command Request Sequence (A to B)
• Command Byte (B to C)
• Configuration Byte (C to D)
• Manufacturer’s Code Eight Data Bytes (D to G)
• Activation and Acknowledge Sequence (G to H)
TDATA TACK
TWTH
LSb
MSb
TWTL
MSb
Acknowledge
F
G
H
DS41256A-page 26
Preliminary
 2004 Microchip Technology Inc.