Datasheet

Section 20 LPC Interface (LPC)
Rev. 2.00 Sep. 28, 2009 Page 662 of 994
REJ09B0452-0200
Table 20.3 LPC I/O Cycle
I/O Read Cycle I/O Write Cycle
State
Count
Contents
Drive
Source
Value
(3 to 0)
Contents
Drive
Source
Value
(3 to 0)
1 Start Host 0000 Start Host 0000
2 Cycle type/direction Host 0000 Cycle type/direction Host 0010
3 Address 1 Host Bits 15 to 12 Address 1 Host Bits 15 to 12
4 Address 2 Host Bits 11 to 8 Address 2 Host Bits 11 to 8
5 Address 3 Host Bits 7 to 4 Address 3 Host Bits 7 to 4
6 Address 4 Host Bits 3 to 0 Address 4 Host Bits 3 to 0
7 Turnaround (recovery) Host 1111 Data 1 Host Bits 3 to 0
8 Turnaround None ZZZZ Data 2 Host Bits 7 to 4
9 Synchronization Slave 0000 Turnaround (recovery) Host 1111
10 Data 1 Slave Bits 3 to 0 Turnaround None ZZZZ
11 Data 2 Slave Bits 7 to 4 Synchronization Slave 0000
12 Turnaround (recovery) Slave 1111 Turnaround (recovery) Slave 1111
13 Turnaround None ZZZZ Turnaround None ZZZZ