DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 186
DF61654N50FTV
Manufacturer Part Number
DF61654N50FTV
Description
IC H8SX/1654 MCU FLASH 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.DF61653N50FTV.pdf
(1020 pages)
Specifications of DF61654N50FTV
Core Processor
H8SX
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, PWM, WDT
Number Of I /o
75
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Quantity
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Part Number:
DF61654N50FTV
Manufacturer:
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Quantity:
10 000
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Section 6 Bus Controller (BSC)
6.2.4
RDNCR selects the negation timing of the read strobe signal (RD) when reading the external
address spaces specified as a basic bus interface or the address/data multiplexed I/O interface.
Notes: 1. In an external address space which is specified as byte control SRAM interface, the
Rev.1.00 Sep. 08, 2005 Page 136 of 966
REJ09B0219-0100
Bit
15
14
13
12
11
10
9
8
7 to 0
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
2. In an external address space which is specified as burst ROM interface, the RDNCR
Bit Name
RDN7
RDN6
RDN5
RDN4
RDN3
RDN2
RDN1
RDN0
Read Strobe Timing Control Register (RDNCR)
RDNCR setting is ignored and the same operation when RDNn = 1 is performed.
setting is ignored during CPU read accesses and the same operation when RDNn = 0 is
performed.
RDN7
R/W
15
R
0
7
0
Initial
Value
0
0
0
0
0
0
0
0
All 0
RDN6
R/W
14
R
0
6
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
RDN5
R/W
13
R
0
5
0
Description
Read Strobe Timing Control
RDN7 to RDN0 set the negation timing of the read
strobe in a corresponding area read access.
As shown in figure 6.2, the read strobe for an area for
which the RDNn bit is set to 1 is negated one half-
cycle earlier than that for an area for which the RDNn
bit is cleared to 0. The read data setup and hold time
are also given one half-cycle earlier.
0: In an area n read access, the RD signal is negated
1: In an area n read access, the RD signal is negated
(n = 7 to 0)
Reserved
These are read-only bits and cannot be modified.
RDN4
at the end of the read cycle
one half-cycle before the end of the read cycle
R/W
12
R
0
4
0
RDN3
R/W
11
R
3
0
0
RDN2
R/W
10
R
0
2
0
RDN1
R/W
R
9
0
1
0
RDN0
R/W
R
8
0
0
0
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