EDK2612 Renesas Electronics America, EDK2612 Datasheet - Page 7

• Manufacturer Part Number: EDK2612
• Description: DEV EVALUATION KIT H8S/2612
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of EDK2612

• Contents: 2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
• For Use With/related Products: H8S/2612
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4.2.2. C
The operating crystal frequency has been chosen to support the fastest operation with the fastest serial operating speeds.
The value of the crystal is 18.432MHz. The following table shows the baud rates and Baud Rate Register (BRR) setting
required for each communication rate using the above default operating speed. It also confirms the resultant baud rate and
the bit error rate that can be expected.
* Note: The device used to convert the RS232 serial information to logic signals for the microcontroller is limited to
The default communication rate for the EDK is indicated by the shaded selection.
The user may replace the HC49/U surface mounted AT cut crystal with another of similar type within the operating frequency
of the microcontroller device. Please refer to the hardware manual for the microcontroller for the valid operating range.
Alternatively the user may fit an oscillator module – or provide an external clock source. When providing an oscillator module
or external source it is highly recommended that the load capacitors for the AT crystal are removed from the PCB. These are
physically placed within the PCB outline of the oscillator module for easy location and to ensure they are removed when
using this option.
When changing the crystal frequency the pre-loaded debugging monitor will not function. In this situation the user is
responsible for providing code to evaluate the device away from the default operating speed.
4.2.3. R
This information is provided to allow the replacement of components removed from the board as described in section 4.2.2.
Care must be taken not to damage the tracking around these components. Only use soldering equipment designed for
surface mount assembly and rework.
4.3. SRAM
This EDK does not support external address and data bus connections so there is no SRAM on this EDK.
230400*
460800*
Setting:
Comm.
115200
19200
38400
57600
SMR
Baud
1200
2400
4800
9600
110
300
120kBaud. The rates above this level can only be utilised if the user provides direct logic level communications.
RYSTAL
EMOVABLE COMPONENT INFORMATION
setting
Invalid
Invalid
Invalid
BRR
239
119
59
29
14
9
4
2
0
Load Resistor
Load capacitors
C
HOICE
Component
115200
192000
576000
Actual
Invalid
Invalid
Invalid
19200
38400
57600
Rate
2400
4800
9600
0
Invalid
Invalid
Invalid
-16.67
ERR
25.00
0.00
0.00
0.00
(%)
0.00
0.00
0.00
0.00
Baud Rate Register Settings for Serial Communication Rates
R8
C6,C7
Cct. Ref
setting
T
Invalid
Invalid
Invalid
Invalid
BRR
ABLE
119
59
29
14
7
3
2
0
T
4-2 C
ABLE
Actual
144000
Invalid
Invalid
Invalid
Invalid
18000
36000
48000
Rate
1200
2400
4800
9600
RYSTAL
1MΩ
12pF
4-3: R
.
Value
1
EMOVABLE
F
REQUENCIES FOR
Invalid
Invalid
-16.67
Invalid
Invalid
25.00
ERR
-6.25
-6.25
(%)
0.00
0.00
0.00
0.00
0805 1%
0603 10% 25V
Rating
C
OMPONENT
setting
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
BRR
119
29
14
7
3
1
RS232
I
NFORMATION
Actual
Invalid
18000
Invalid
invalid
Invalid
Invalid
Invalid
Welwyn WCR Series
AVX 0603 3 A 150 KAT
Rate
1200
2400
4500
9000
COMMUNICATION
300
2
Manufacturer
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
ERR
-6.25
-6.25
-6.25
(%)
0.00
0.00
0.00
setting
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
BRR
81
29
7
3
1
Actual
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
Rate
1125
2250
4500
110
300
3
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
ERR
-0.22
-6.25
-6.25
-6.25
0.00
(%)
7