IDT88P8341 Integrated Device Technology, IDT88P8341 Datasheet - Page 83

• Manufacturer Part Number: IDT88P8341
• Description: Spi Exchange Spi-3 To Spi-4
• Manufacturer: Integrated Device Technology

TABLE 138 – MICROPROCESSOR PARALLEL PORT MOTOROLA READ TIMING
11.6.6.1 Microprocessor parallel port AC timing
specifications
mode.
Read cycle specification Motorola non-multiplexed (MPM=0)
IDT88P8341 SPI EXCHANGE SPI-3 TO SPI-4
Symbol
T
t
t
t
t
t
t
t
t
tRecovery Recovery time from read cycle
DW
RWV
RWH
AV
ADH
RPD
DAZ
RC
Be sure to connect SPI_EN to a logic low when using the parallel µP interface
Parameter
Internal main clock period (MCLK)
Read cycle time
Valid DSB width
Delay from DSB to valid read signal
R/WB to DSB hold time
Delay from DSB to Valid Address
Address to DSB hold time
DSB to valid read data propagation delay
Delay from read data active to high Z
READ DBUS[7:0]
DSB + CSB
ADD[5:0]
R/WB
Figure 36. Microprocessor parallel port Motorola read timing diagram
5.5T+25
5.5T+20
2T+10
2T+10
MIN
80
5
t
RC
5.5T+20
T/2-4
T/2-4
MAX
100
12
t
PRD
83
Unit
MHz
t
t
RWV
AV
ns
ns
ns
ns
ns
ns
ns
ns
ns
Valid Address
t
DW
Valid Data
t
RWH
t
ADH
INDUSTRIAL TEMPERATURE RANGE
t
Recovery
t
DAZ
6372 drw32
APRIL 10, 2006