DF2161BVTE10 Renesas Electronics America, DF2161BVTE10 Datasheet - Page 197
DF2161BVTE10
Manufacturer Part Number
DF2161BVTE10
Description
MCU 3V 128K 144-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2160BVT10V.pdf
(847 pages)
Specifications of DF2161BVTE10
Core Processor
H8S/2000
Core Size
16-Bit
Speed
10MHz
Connectivity
Host Interface (LPC), I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
114
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2161BVTE10
HD64F2161BVTE10
HD64F2161BVTE10
- Current page: 197 of 847
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Section 6 Bus Controller (BSC)
6.6
Burst ROM Interface
In this LSI, the external address space can be designated as the burst ROM space by setting the
BRSTRM bit in BCR to 1, and the burst ROM interface enabled. Consecutive burst accesses of a
maximum four or eight words can be performed only during CPU instruction fetch. 1 or 2 states
can be selected for burst ROM access.
6.6.1
Basic Operation Timing
The number of access states in the initial cycle (full access) of the burst ROM interface is
determined by the AST bit in WSCR. When the AST bit is set to 1, wait states can be inserted. 1
or 2 states can be selected for burst access according to the setting of the BRSTS1 bit in BCR.
Wait states cannot be inserted in a burst cycle. Burst accesses of a maximum four words is
performed when the BRSTS0 bit in BCR is cleared to 0, and burst accesses of a maximum eight
words is performed when the BRSTS0 bit in BCR is set to 1.
The basic access timing for the burst ROM space is shown in figures 6.14 and 6.15.
Full access
Burst access
T
T
T
T
T
T
T
1
2
3
1
2
1
2
Address bus
Only lower address changes
AS/IOS
(IOSE = 0)
RD
Data bus
Read data
Read data
Read data
Figure 6.14 Access Timing Example in Burst ROM Space (AST = BRSTS1 = 1)
Rev. 3.00 Mar 21, 2006 page 141 of 788
REJ09B0300-0300
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