SST89E58RD2-40-I-TQJE Microchip Technology, SST89E58RD2-40-I-TQJE Datasheet - Page 74

• Manufacturer Part Number: SST89E58RD2-40-I-TQJE
• Description: 4.5 To 5.5V FlashFlex 8-bit 8051 Microcontroller 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: FlashFlex®r

Specifications of SST89E58RD2-40-I-TQJE

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 36
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 8K x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP
• Processor Series: FlashFlex51
• Core: C51
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 5
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Data Sheet
TABLE 14-9: Serial Port Timing
©2008 Silicon Storage Technology, Inc.
Symbol
T
T
T
T
T
AC Inputs during testing are driven at V
V
outputs are at V
XLXL
QVXH
XHQX
XHDX
XHDV
ILT
FIGURE 14-6: Shift Register Mode Timing Waveforms
FIGURE 14-7: AC Testing Input/Output Test
(0.45V) for a Logic “0”. Measurement reference points for inputs and
V
V
IHT
ILT
WRITE TO SBUF
Parameter
Serial Port Clock Cycle Time
Output Data Setup to Clock Rising Edge
Output Data Hold After Clock Rising Edge
Input Data Hold After Clock Rising Edge
Clock Rising Edge to Input Data Valid
HT
OUTPUT DATA
INPUT DATA
CLEAR RI
(0.2V
INSTRUCTION
DD
CLOCK
Waveform
V
V
+ 0.9) and V
HT
LT
ALE
IHT
LT
0
(0.2V
(V
DD
Note: V
DD
-0.5V) for Logic “1” and
- 0.1)
T
V
V
V
QVXH
LT
IHT
ILT -
HT
1
- V
0
- V HIGH Test
-V
V
T
VALID
LOW
INPUT
INPUT
XLXL
T
Test
XHDV
LOW Test
HIGH Test
1339 F40.0
T
2
1
XHQX
VALID
SST89E54RD2A/RDA / SST89E58RD2A/RDA
T
74
XHDX
3
Min
117
2
0.3
VALID
0
0
40MHz
FIGURE 14-8: Float Waveform
For timing purposes, a port pin is no longer floating when a 100 mV
change from load voltage occurs, and begins to float when a 100 mV
change from the loaded V
V
Max
117
4
LOAD
V
V
3
VALID
LOAD +0.1V
LOAD -0.1V
10T
2T
2T
5
12T
4
CLCL
VALID
CLCL
CLCL
Oscillator
Min
0
CLCL
- 117
- 133
- 50
OH
Timing Reference
6
/V
Variable
5
OL
VALID
Points
level occurs. I
10T
7
6
FlashFlex MCU
VALID
CLCL
Max
OL
S71339-02-000
/I
- 133
OH
8
1339 F39.0
V
V
7
= ± 20mA.
SET TI
SET RI
OH -0.1V
OL +0.1V
VALID
1339 F41.0
T14-9.0 1339
Units
µs
ns
ns
ns
ns
ns
02/08