r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 407
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
r8a77850anbgV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 407 of 1692
- Download datasheet (8Mb)
11.4.4
CSnWCR (n = 0 to 6) are 32-bit readable/writable registers that specify the number of wait cycles
to be inserted for areas 0 to 6, the number of wait cycles to be inserted preceding the first data in
burst memory access, the address setup time, which is the time from the point at which the output
of address for access is started until assertion of the read/write strobe signal, and the number of
cycles to be inserted as the data hold time from negation of the write strobe signal.
CSnWCR is initialized to H'7777 770F by a power-on reset, but it is not initialized by a manual
reset.
Initial value:
Initial value:
Bit
31
30 to 28 ADS
R/W:
R/W:
BIt:
BIt:
CSn Wait Control Register (CSnWCR)
Bit Name
⎯
31
15
⎯
⎯
R
R
0
0
R/W
R/W
30
14
1
1
WTS
ADS
R/W
R/W
29
13
1
1
Initial
Value
0
111
R/W
R/W
28
12
1
1
R/W
R/W
R
R/W
27
⎯
11
⎯
R
0
0
R/W
R/W
26
10
1
1
Description
Reserved
This bit is always read as 0. The write value should
always be 0.
Address Setup Cycle
These bits specify the number of cycles to be inserted
as the address setup time with respect to CSn
assertion. (Only valid when the SRAM interface, byte
control SRAM interface, or burst ROM interface is
selected.)
000: No cycle inserted
001: 1 cycle inserted
010: 2 cycles inserted
011: 3 cycles inserted
100: 4 cycles inserted
101: 5 cycles inserted
110: 6 cycles inserted
111: 7 cycles inserted
WTH
ADH
R/W
R/W
25
1
9
1
R/W
R/W
24
1
8
1
23
⎯
⎯
R
R
0
7
0
Rev.1.00 Jan. 10, 2008 Page 377 of 1658
R/W
R/W
22
1
6
0
11. Local Bus State Controller (LBSC)
RDS
BSH
R/W
R/W
21
1
5
0
R/W
R/W
20
1
4
0
R/W
19
⎯
R
0
3
1
REJ09B0261-0100
R/W
R/W
18
1
2
1
IW[3:0]
RDH
R/W
R/W
17
1
1
1
R/W
R/W
16
1
0
1
Related parts for r8a77850anbg
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas Starter Kit for RX210
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas StarterKit for RX630
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit+ for RX63N
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
FLASH PROGRAMMER FOR RENESAS MICROCONTROLLERS
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet: