HD6417727F100V Renesas Electronics America, HD6417727F100V Datasheet - Page 572

• Manufacturer Part Number: HD6417727F100V
• Description: MPU 3V 16K PB-FREE 240-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417727F100V

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: FIFO, SCI, SIO, SmartCard, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 104
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.6 V ~ 2.05 V
• Data Converters: A/D 6x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 240-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 17 Serial Communication Interface (SCI)
Rev.6.00 Mar. 27, 2009 Page 514 of 1036
REJ09B0254-0600
Clear TE and RE bits in SCSCR to 0
Set CKE1 and CKE0 bits in SCSCR
Also set RIE, TIE, TEIE, and MPIE
Set TE or RE in SCSCR to 1.
Select transmit/receive
(TE and RE bits are 0)
Set value to SCBRR
format in SCSMR
interval elapsed?
as necessary.
Has a 1-bit
Initialize
End
Figure 17.7 Sample SCI Initialization Flowchart
Yes
Wait
No
(1)
(2)
(3)
(4)
(1) Select the clock source in the serial
(2) Select the communication format in
(3) Write the value corresponding to
(4) Wait at least one bit interval, then
control register (SCSCR). Leave
RIE, TIE, TEIE, MPIE, TE, and RE
cleared to 0. If clock output is
selected in asynchronous mode,
clock output starts immediately
after the setting is made to SCSCR.
the serial mode register (SCSMR).
the bit rate in the bit rate register
(SCBRR) unless an external clock
is used.
set TE or RE in the serial control
register (SCSCR) to 1. Also set
RIE, TIE, TEIE, and MPIE as
necessary. Setting TE and RE
enables the TxD0 and RxD0 pins to
be used. The initial states are the
mark transmit state, and the idle
receive state (waiting for a start bit).