h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 665

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

The timing of the LFRAME, LCLK, and LAD signals is shown in figures 18B.2 and 18B.3.
State
Count
1
2
3
4
5
6
7
8
9
10
11
12
13
LCLK
LFRAME
LAD3 to LAD0
Number of clocks
Contents
Start
Cycle type/direction Host
Address 1
Address 2
Address 3
Address 4
Turnaround
(recovery)
Turnaround
Synchronization
Data 1
Data 2
Turnaround
(recovery)
Turnaround
1
I/O Read Cycle
Start
Figure 18B.2 Typical LFRAME
Cycle type,
direction,
and size
Drive
Source
Host
Host
Host
Host
Host
Host
None
Slave
Slave
Slave
Slave
None
1
ADDR
Value
(3 to 0)
0000
0000
Bits 15 to
12
Bits 11 to 8
Bits 7 to 4
Bits 3 to 0
1111
ZZZZ
0000
Bits 3 to 0
Bits 7 to 4
1111
ZZZZ
4
TAR
Section 18B Host Interface LPC Interface (LPC)
LFRAME
LFRAME Timing
2
LFRAME
Turnaround
Turnaround
Turnaround
Contents
Start
Cycle type/direction Host
Address 1
Address 2
Address 3
Address 4
Data 1
Data 2
(recovery)
Synchronization
(recovery)
Turnaround
Rev. 3.00 Jan 18, 2006 page 637 of 1044
Sync
1
Data
I/O Write Cycle
2
TAR
Drive
Source
Host
Host
Host
Host
Host
Host
Host
Host
None
Slave
Slave
None
2
REJ09B0280-0300
Start
1
Value
(3 to 0)
0010
12
Bits 3 to 0
1111
0000
1111
0000
Bits 15 to
Bits 11 to 8
Bits 7 to 4
Bits 3 to 0
Bits 7 to 4
ZZZZ
ZZZZ