CHAPTER 4 BUS CONTROL FUNCTION
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User’s Manual U14359EJ4V0UM
4.8.4 Bus hold timing (SRAM)
(1) SRAM (when read, no idle states inserted)
T1
T2
Undefined
IOWR (output)
IORD (output)
Note 2
LWR/LCAS (output)
UWR/UCAS (output)
WE (output)
OE (output)
RD (output)
CSn/RASm (output)
BCYST (output)
HLDRQ (input)
HLDAK (output)
A0 to A25 (output)
CLKOUT (input)
TH
TH
TI
Note 1
TI
Note 1
LBE (output)
WAIT (input)
D0 to D15 (I/O)
Data
UBE (output)
Address
Notes 1.
This idle state (TI) is independent of the BCC register setting.
2.
When the IOEN bit of the BCP register is set to 1.
Remarks 1.
The
circle
{
indicates the sampling timing.
2.
The broken lines indicate the high-impedance state.
3.
n = 0 to 7, m = 1, 3, 4, 6