D13008VXI25V Renesas Electronics America, D13008VXI25V Datasheet - Page 442
D13008VXI25V
Manufacturer Part Number
D13008VXI25V
Description
MCU 3V 0K I-TEMP PB-FREE 100-TQF
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of D13008VXI25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
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
-
Program Memory Size
-
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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.4.00 Aug. 20, 2007 Page 396 of 638
REJ09B0395-0400
7.1424
9600.0
4800.0
3200.0
B: Bit rate (bit/s)
φ: Operating frequency (MHz)
n: See table 13.4
calculate the bit rate. The equation above applies directly to 1/1 frequency division.
B =
Clock
1488 × 2
10.00
13440.9 14400.0 17473.1 19200.0 21505.4 24193.5 26881.7 33602.2
6720.4
4480.3
CKS1
0
1
2n−1
φ
10.7136 13.00
7200.0
4800.0
× (N + 1)
CKS0
0
1
0
1
8736.6
5824.4
× 10
6
14.2848 16.00
9600.0
6400.0
φ (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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