DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 186

• 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

6.5.2
The on-chip peripheral modules are accessed in two states except on-chip USB and RTC. The data
bus is either 8 bits or 16 bits wide, depending on the particular internal I/O register being accessed.
Figure 6.6 shows the access timing for the on-chip peripheral modules. Figure 6.7 shows the pin
states.
Rev.7.00 Dec. 24, 2008 Page 132 of 698
REJ09B0074-0700
On-Chip Peripheral Module Access Timing
Internal address bus
Read
access
Write
access
φ
Figure 6.5 Pin States during On-Chip Memory Access
Figure 6.6 On-Chip Peripheral Module Access Cycle
Internal read signal
Internal data bus
Internal write signal
Internal data bus
φ
Address bus*
AS*
RD*
HWR, LWR*
Data bus*
Note: * Supported only by the H8S/2218 Group.
High-impedance state
Unchanged
Bus cycle
High
High
High
T
1
T
1
Bus cycle
Address
Write data
Read data
T
2