upd78p058f Renesas Electronics Corporation., upd78p058f Datasheet - Page 40

• Manufacturer Part Number: upd78p058f
• Description: Mos Intergrated Circuit, 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

40
(2) Read/Write Operations
Remarks 1. MCS: Bit 0 of the oscillation mode selection register (OSMS)
ASTB high-level width
Address setup time
Address hold time
Data input time from address
Data input time from RD
Read data hold time
RD low-level width
WAIT input time from RD
WAIT input time from WR
WAIT low-level width
Write data setup time
Write data hold time
WR low-level width
RD delay time from ASTB
WR delay time from ASTB
ASTB delay time from RD in external fetch
Address hold time from RD in external fetch
Write data output time from RD
Write data output time from WR
Address hold time from WR
RD delay time from WAIT
WR delay time from WAIT
(a) When MCS = 1, PCC2 to PCC0 = 000B (T
2. PCC2 to PCC0: Bit 2 to bit 0 of the processor clock control register (PCC)
3. t
4. n indicates the number of waits.
CY
Parameter
= T
CY
/4
Symbol
t
t
t
t
t
t
t
t
t
t
t
WRADH
t
t
t
t
t
t
t
t
RDWT1
RDWT2
t
ASTWR
RDADH
WRWT
t
t
ASTRD
RDAST
WRWD
WTWR
t
t
t
t
RDWD
WTRD
ASTH
ADD1
ADD2
RDD1
RDD2
WRL1
RDL1
RDL2
WDS
WDH
ADS
ADH
RDH
WTL
A
= –40 to +85 C, V
Test Conditions
(2.85 + 2n)t
(2.85 + 2n)t
(2.85 + 2n)t
DD
(2 + 2n)t
(1.15 + 2n)t
0.85t
0.85t
0.85t
0.85t
0.85t
1.15t
1.15t
= 4.5 to 6.0 V)
0.85t
MIN.
50
20
25
40
CY
CY
CY
CY
CY
CY
CY
0
0
CY
– 50
– 50
+ 20
– 10
– 50
CY
+ 40
+ 30
CY
CY
CY
– 60
– 100
– 60
CY
– 60
(2.85 + 2n)t
(2.85 + 2n)t
(4 + 2n)t
(2 + 2n)t
1.15t
1.15t
1.15t
3.15t
3.15t
0.85t
(2 + 2n)t
2t
2t
MAX.
CY
CY
50
CY
CY
CY
CY
CY
CY
– 60
– 60
CY
CY
– 50
+ 20
+ 50
+ 40
+ 40
+ 30
CY
CY
– 100
– 100
CY
– 100
– 80
PD78P058F
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns