DSP56F826BU80 Freescale Semiconductor, DSP56F826BU80 Datasheet - Page 45

• Manufacturer Part Number: DSP56F826BU80
• Description: IC DSP 80MHZ 31.5K FLASH 100LQFP
• Manufacturer: Freescale Semiconductor
• Series: 56F8xxr

Specifications of DSP56F826BU80

• Core Processor: 56800
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: EBI/EMI, SCI, SPI, SSI
• Peripherals: POR, WDT
• Number Of I /o: 46
• Program Memory Size: 67KB (33.5K x 16)
• Program Memory Type: FLASH
• Ram Size: 4.5K x 16
• Voltage - Supply (vcc/vdd): 2.25 V ~ 2.75 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

3.12 Serial Communication Interface (SCI) Timing
Freescale Semiconductor
Operating Conditions:
Timer Inputs
Timer Outputs
SCI receive
Baud Rate
RXD
TXD
1. f
2. The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.
3. The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.
4. Parameters listed are guaranteed by design.
data pin
(Input)
3
RXD
2
MAX
Pulse Width
Pulse Width
Characteristic
is the frequency of operation of the system clock in MHz.
1
V
SSIO
=V
SS
P
= V
P
OUT
IN
SSA
Figure 3-26 Quad Timer Timing
= 0V, V
Figure 3-27 RXD Pulse Width
56F826 Technical Data, Rev. 14
Table 3-16 SCI Timing
DDA
Symbol
RXD
TXD
BR
=V
PW
PW
DDIO
RXD
=3.0–3.6V, V
PW
0.965/BR
0.965/BR
Min
P
DD
—
OUTHL
P
= 2.25–2.75V, T
INHL
4
P
P
OUTHL
INHL
(f
A
Serial Communication Interface (SCI) Timing
MAX
= –40° to +85°C, C
1.04/BR
1.04/BR
Max
*2.5)/(80)
L
≤ 50pF, f
Mbps
Unit
ns
ns
op
= 80MHz
45