Rainbow Electronics W79E8213R - Manual (Page 86)

Preliminary W79E8213/W79E8213R Data Sheet
Publication Release Date: July 11, 2008
- 86 - Revision A2
24. ICP (IN-CIRCUIT PROGRAM) FLASH PROGRAM
The contexts of flash in W79E8213 series are empty by default. At the first use, you must program the
flash EPROM by external Writer device or by ICP (In-Circuit Program) tool.
W79E8213 Series
RST
P0.4
P0.5
Vdd
Vss
To I/O pin
To I/O pin
To Reset or Input Pin
Vdd
Vpp
Data
Clock
Vss
Vcc
Jumper ICP Connector
System Board
ICP Power
Jumper
Note:
1. When using ICP to upgrade code, the P1.5, P0.4 and P0.5 must be taken within design system board.
2. After program finished by ICP, to suggest system power must power off and remove ICP connector then power on.
3. It is recommended that user performs erase function and programming configure bits continuously without any
interruption.
4. During ICP mode, all PWM pins will be tri-stated.