DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 190

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

6.6.3
8-Bit 2-State Access Space: Figure 6.10 shows the bus timing for an 8-bit 2-state access space in
the H8S/2218 Group. When an 8-bit access space is accessed, the upper half (D15 to D8) of the
data bus is used.
Wait states cannot be inserted.
Rev.7.00 Dec. 24, 2008 Page 136 of 698
REJ09B0074-0700
Basic Timing
Note: n = 0 to 5
Figure 6.10 Bus Timing for 8-Bit 2-State Access Space
Read
Write
Address bus
(16-bit bus
D15 to D8
D15 to D8
(8-bit bus
D7 to D0
D7 to D0
mode)
mode)
φ
HWR
LWR
LWR
CSn
RD
AS
T
1
Bus cycle
High
High impedance
High impedance
Valid
T
2
Invalid
Valid