DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 468
![MCU 3V 256K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3026X25V
Manufacturer Part Number
DF3026X25V
Description
MCU 3V 256K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3026X25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 468 of 843
- Download datasheet (5Mb)
Section 13 Smart Card Interface
13.3.5
Only an internal clock generated by the on-chip baud rate generator can be used as the
transmit/receive clock for the smart card interface. The bit rate is set with the bit rate register
(BRR) and the CKS1 and CKS0 bits in the serial mode register (SMR). The equation for
calculating the bit rate is shown below. Table 13.5 shows some sample bit rates.
If clock output is selected with CKE0 set to 1, a clock with a frequency of 372 times the bit rate is
output from the SCK pin.
where, N: BRR setting (0 N 255)
Table 13.4 n-Values of CKS1 and CKS0 Settings
n
0
1
2
3
Note: If the gear function is used to divide the clock frequency, use the divided frequency to
Table 13.5 Bit Rates (bits/s) for Various BRR Settings (When n = 0)
N
0
1
2
Note: Bit rates are rounded off to two decimal places.
Rev. 2.00 Sep 20, 2005 page 428 of 800
REJ09B0260-0200
calculate the bit rate. The equation above applies directly to 1/1 frequency division.
B =
B: Bit rate (bit/s)
n: See table 13.4
Clock
: Operating frequency (MHz)
7.1424
9600.0
4800.0
3200.0
1488
CKS1
0
1
2
10.00
13440.9
6720.4
4480.3
2n–1
(N + 1)
10.7136
14400.0
7200.0
4800.0
CKS0
0
1
0
1
10
6
13.00
17473.1
8736.6
5824.4
(MHz)
14.2848
19200.0
9600.0
6400.0
16.00
21505.4
10752.7
7168.5
18.00
24193.5
12096.8
8064.5
25.00
33602.2
16801.1
11200.7
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