DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 619
DF61654N50FTV
Manufacturer Part Number
DF61654N50FTV
Description
IC H8SX/1654 MCU FLASH 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.DF61653N50FTV.pdf
(1020 pages)
Specifications of DF61654N50FTV
Core Processor
H8SX
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, PWM, WDT
Number Of I /o
75
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF61654N50FTV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.3.9
BRR is an 8-bit register that adjusts the bit rate. As the SCI performs baud rate generator control
independently for each channel, different bit rates can be set for each channel. Table 14.2 shows
the relationships between the N setting in BRR and bit rate B for normal asynchronous mode and
clocked synchronous mode, and smart card interface mode. The initial value of BRR is H'FF, and
it can be read from or written to by the CPU at all times.
Table 14.3 Relationships between N Setting in BRR and Bit Rate B
[Legend]
B:
N:
Pφ:
n and S: Determined by the SMR settings shown in the following table.
Table 14.4 shows sample N settings in BRR in normal asynchronous mode. Table 14.5 shows the
maximum bit rate settable for each operating frequency. Tables 14.7 and 14.9 show sample N
settings in BRR in clocked synchronous mode and smart card interface mode, respectively. In
smart card interface mode, the number of base clock cycles S in a 1-bit data transfer time can be
selected. For details, see section 14.7.4, Receive Data Sampling Timing and Reception Margin.
Tables 14.6 and 14.8 show the maximum bit rates with external clock input.
Mode
Asynchronous
mode
Clocked synchronous mode
Smart card interface mode
CKS1
0
0
1
1
Bit Rate Register (BRR)
Bit rate (bit/s)
BRR setting for baud rate generator (0 ≤ N ≤ 255)
Operating frequency (MHz)
SMR Setting
CKS0
0
1
0
1
ABCS Bit Bit Rate
0
1
B =
B =
N =
N =
n
0
1
2
3
64 × 2
32 × 2
8 × 2
S × 2
P × 10
P × 10
P × 10
P × 10
2n – 1
2n + 1
2n – 1
2n – 1
Section 14 Serial Communication Interface (SCI, IrDA, CRC)
× B
6
6
6
6
× B
× B
× B
BCP1
0
0
1
1
1
1
1
1
Error
Error (%) = {
Error (%) = {
Error (%) =
SMR Setting
Rev.1.00 Sep. 08, 2005 Page 569 of 966
{
B × 64 × 2
B × 32 × 2
BCP0
0
1
0
1
B × S × 2
P × 10
P × 10
2n – 1
2n – 1
2n + 1
P × 10
6
6
× (N + 1)
× (N + 1)
× (N + 1)
REJ09B0219-0100
6
S
32
64
372
256
– 1 } × 100
– 1 } × 100
– 1 × 100
}
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