DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 518
DF2345TE20
Manufacturer Part Number
DF2345TE20
Description
MCU 5V 128K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2345TE20V.pdf
(929 pages)
Specifications of DF2345TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2345TE20
HD64F2345TE20
HD64F2345TE20
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
DF2345TE20V
Manufacturer:
Renesas
Quantity:
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Company:
Part Number:
DF2345TE20V
Manufacturer:
Renesas Electronics America
Quantity:
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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 BRR and the CKS1 and
CKS0 bits in SMR. The formula for calculating the bit rate is as shown below. Table 13.5 shows
some sample bit rates.
If clock output is selected by setting CKE0 to 1, a clock with a frequency of 372 times the bit rate
is output from the SCK pin.
Where: N = Value set in BRR (0
Table 13.4 Correspondence between n and CKS1, CKS0
n
0
1
2
3
Table 13.5 Examples of Bit Rate B (bit/s) for Various BRR Settings (When n = 0)
N
0
1
2
Note: Bit rates are rounded to the nearest whole number.
Rev. 4.00 Feb 15, 2006 page 492 of 900
REJ09B0291-0400
B = Bit rate (bit/s)
n = See table 13.4
B =
Clock
= Operating frequency (MHz)
1488
CKS1
0
1
10.00
13441
6720
4480
2
2n–1
10.714
14400
7200
4800
(N + 1)
CKS0
0
1
0
1
N 255)
13.00
17473
8737
5824
10
6
14.285
19200
9600
6400
(MHz)
16.00
21505
10753
7168
18.00
24194
12097
8065
20.00
26882
13441
8961
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