W86L387D Winbond Electronics, W86L387D Datasheet - Page 19

• Manufacturer Part Number: W86L387D
• Manufacturer: Winbond Electronics

Specifications of W86L387D

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Package Type: LQFP
• Rad Hardened: No
• Lead Free Status / Rohs Status: Not Compliant

8. HOST ACCESS PROCEDURE
8.1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
STEP
System Initialization Procedure:
Set up CPU data size and type access
cycle.
Read card insert signal of MS.
Write PWD = high on the control register if
card insert signal = high.
Wait until card insert signal = low.
Re-check card insert signal is in low.
Write PWD = low on the control register.
Write software reset.
Read status register.
Chip error if status <> 0AH.
Program PIO port if necessary.
Program PIO interrupt enable register if
necessary.
Set up DAKEN and BSY_CNT on the
control register.
Enable DREQ and INT interrupt.
Wait for TPC command.
HOST ACCEPT AND ACTION COMMAND
- 17 -
> Execute.
> Power down.
> Power up.
> Reset internal logic circuit.
> Execute.
> Execute.
> Execute.
> Execute.
> Execute.
card insert not sensed by
W86L387D.
W86L387D ACTION
Publication Release Date: May 13, 2005
W86L387D
< No MS card.
< Card insert.
MS CARD
ACTION
Revision A1