DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 556
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K 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:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 556 of 903
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Section 14 Smart Card Interface
14.3.5
As its serial communication clock, the smart card interface can use only the internal clock
generated by the on-chip baud rate generator. The bit rate can be selected by setting the bit rate
register (BRR) and bits CKS1 and CKS0 in the serial mode register (SMR). The bit rate can be
calculated from the equation given below. Table 14.5 lists some examples of bit rate settings.
If bit CKE0 is set to 1, a clock signal with a frequency equal to 372 times the bit rate is output
from the SCK
where, N: BRR setting (0
Table 14.4 n-Values of CKS1 and CKS0 Settings
n
0
1
2
3
Note: * If the gear function is used to divide the system clock frequency, use the divided
Table 14.5 Bit Rates (bits/s) for Different BRR Settings (when n = 0)
N
0
1
2
Note: Bit rates are rounded off to one decimal place.
Rev. 3.00 Sep 27, 2006 page 528 of 872
REJ09B0325-0300
B: Bit rate (bits/s)
n: See table 14.4
B =
: System clock frequency (MHz) *
Clock
7.1424
9600.0
4800.0
3200.0
frequency to calculate the bit rate. The equation above applies directly to 1/1 frequency
division.
1488
0
pin.
10.00
13440.9 14400.0 17473.1 19200.0 21505.4 24193.5 26881.7 33602.2
6720.4
4480.3
2
2n 1
CKS1
0
0
1
1
(N + 1)
10.7136 13.00
7200.0
4800.0
N 255)
10
8736.6
5824.4
6
CKS0
0
1
0
1
14.2848 16.00
9600.0
6400.0
(MHz)
10752.7 12096.8 13440.9 16801.1
7168.5
18.00
8064.5
20.00
8960.6
25.00
11200.7
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