h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 143
h8s-2172
Manufacturer Part Number
h8s-2172
Description
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2172.pdf
(570 pages)
- Current page: 143 of 570
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When all areas are designated as 8-bit space, the LWR pin can be used as the I/O port. However,
when all areas are designated as 16-bit space, the LWR pin is always fixed high. Wait states
cannot be inserted.
Notes: 1. n = 3 to 0
2. When RDNn = 0
Read
Write
Figure 6.11 Bus Timing for 8-Bit, 2-State Access Space
Address bus
D15 to D8
D7 to D0
D15 to D8
D7 to D0
φ
T 1
Bus cycle
High
High impedance
Valid
T 2
Rev. 2.00, 03/04, page 111 of 534
Invalid
Valid
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