3069RF-ZTAT Datasheet, PDF (695/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 18.23 AC Characteristics Auto-Write Mode
Condition : V_CC = 5.0 V ± 0.5 V, V_SS = 0 V, T_a = 25°C ± 5°C
Code
Symbol Min
Command write cycle
t_nxtc
20
CE hold time
t_ceh
0
CE setup time
t
0
ces
Data hold time
t
50
dh
Data setup time
t_ds
50
Programming pulse width t_wep
70
Status polling start time
t_wsts
1
Status polling access time t_spa
Address setup time
t_as
0
Address hold time
t
60
ah
Memory programming time t
1
write
Programming setup time t_pns
100
Programming end setup
t_pnh
100
time
WE rise time
t_r
WE fall time
t_f
Max
150
3000
30
30
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ns
ns
ms
ns
ns
ns
ns
Note
FWE
A18-0
CE
OE
WE
I/O7
I/O6
I/O5-0
t_pns t_ces
Address Stable
t_ceh t_nxtc
t_pnh
t_nxtc
t_wep
tf
tr
t_as
t_ds
t_dh
t_ah
Data Transfer
1 byte to 128 bytes
t_wsts t_spa
t_write
H'40 or
H'45
1st byte
Din
128th byte
Din
Figure 18.33 Timing in Auto-Write Mode
Identification Signal of
Programming Operation End
Identification Signal of
Programming Operation
Successful End
H'00
Rev. 5.0, 09/04, page 673 of 978