DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 670
![IC H8SX/1654 MCU FLASH 120TQFP](/photos/12/21/122199/df61654n50ftv_sml.jpg)
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
- Current page: 670 of 1020
- Download datasheet (6Mb)
Section 14 Serial Communication Interface (SCI, IrDA, CRC)
At power-on and transitions to/from software standby mode, use the following procedure to secure
the appropriate clock duty cycle.
• At power-on
• At mode switching
Rev.1.00 Sep. 08, 2005 Page 620 of 966
REJ09B0219-0100
To secure the appropriate clock duty cycle simultaneously with power-on, use the following
procedure.
1. Initially, port input is enabled in the high-impedance state. To fix the potential level, use a
2. Fix the SCK pin to the specified output using the CKE1 bit in SCR.
3. Set SMR and SCMR to enable smart card interface mode.
At transition from smart card interface mode to software standby mode
At transition from smart card interface mode to software standby mode
pull-up or pull-down resistor.
Set the CKE0 bit in SCR to 1 to start clock output.
1. Set the data register (DR) and data direction register (DDR) corresponding to the SCK
2. Write 0 to the TE and RE bits in SCR to stop transmission/reception. Simultaneously,
3. Write 0 to the CKE0 bit in SCR to stop the clock.
4. Wait for one cycle of the serial clock. In the mean time, the clock output is fixed to the
5. Make the transition to software standby mode.
1. Clear software standby mode.
2. Write 1 to the CKE0 bit in SCR to start clock output. A clock signal with the
pin to the values for the output fixed state in software standby mode. (SCI_0, 1, 2, and
4 only)
set the CKE1 bit to the value for the output fixed state in software standby mode.
specified level with the duty cycle retained.
appropriate duty cycle is then generated.
[1] [2] [3]
Normal operation
Figure 14.35 Clock Stop and Restart Procedure
[4] [5]
Software
standby
[6]
[7]
Normal operation
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