UPD70F3741GC Datasheet, PDF (172/889 Pages) Renesas Technology Corp – RENESAS MCU V850ES/JG3 Microcontrollers

V850ES/JG3
(3) Halfword access (16 bits)
(a) With 16-bit data bus width
CHAPTER 5 BUS CONTROL FUNCTION
<1> Access to even address (2n)
Address
15
15
2n + 1
8
8
7
7
2n
0
0
Halfword data External data
bus
(b) 8-bit data bus width
<2> Access to odd address (2n + 1)
First access
Address
15
15
2n + 1
8
8
7
7
0
Halfword data
2n
0
External data
bus
Second access
Address
15
15
8
7
0
Halfword data
8
7
2n + 2
0
External data
bus
<1> Access to even address (2n)
<2> Access to odd address (2n + 1)
First access
15
Second access
15
8
Address ₈
Address
7
7
7
7
2n
2n + 1
0
0
0
0
Halfword data External data Halfword data External data
bus
bus
First access
15
Second access
15
8
Address ₈
Address
7
7
7
7
2n + 1
2n + 2
0
0
0
0
Halfword data External data Halfword data External data
bus
bus
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
Page 156 of 870