DF2239TF16I Renesas Electronics America, DF2239TF16I Datasheet - Page 650
DF2239TF16I
Manufacturer Part Number
DF2239TF16I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2239TF16I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
16MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2239TF16I
HD64F2239TF16I
HD64F2239TF16I
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Section 15 Serial Communication Interface (SCI)
15.4.3
Either an internal clock generated by the on-chip baud rate generator or an external clock input at
the SCK pin can be selected as the SCI’s serial clock, according to the setting of the C/A bit in
SMR and the CKE0 and CKE1 bits in SCR. When an external clock is input at the SCK pin, the
clock frequency should be 16 times the bit rate used.
When the SCI is operated on an internal clock, the clock can be output from the SCK pin when
setting CKE1 = 0 and CKE0 = 1. The frequency of the clock output in this case is equal to the bit
rate, and the phase is such that the rising edge of the clock is in the middle of the transmit data, as
shown in figure 15.7.
Rev. 6.00 Mar. 18, 2010 Page 588 of 982
REJ09B0054-0600
SCK
TxD
Figure 15.7 Relationship between Output Clock and Transfer Data Phase
Clock
Internal basic
clock
Receive data
(RxD)
Synchronization
sampling timing
Data sampling
timing
Note: Example for H8S/2239 Group with the ABCS bit in SEMR_0 set to a value other than 1.
Figure 15.6 Receive Data Sampling Timing in Asynchronous Mode
When ABCS is set to 1, the clock frequency is 8 times the bit rate and sampling of received
data takes place at the fourth rising edge of the basic clock.
0
D0
0
8 clocks
D1
Start bit
D2
16 clocks
(Asynchronous Mode)
7
D3
D4
1 frame
D5
15 0
D6
D7
D0
0/1
1
7
1
15 0
D1
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