SST89E58RD2-40-C-NJE Microchip Technology, SST89E58RD2-40-C-NJE Datasheet - Page 16

• Manufacturer Part Number: SST89E58RD2-40-C-NJE
• Description: 4.5 To 5.5V FlashFlex 8-bit 8051 Microcontroller 44 PLCC TUBE
• Manufacturer: Microchip Technology
• Series: FlashFlex®r

Specifications of SST89E58RD2-40-C-NJE

• 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: 0°C ~ 70°C
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet
©2008 Silicon Storage Technology, Inc.
FIGURE
2FFH
000H
2FFH
000H
3-3: Internal and External Data Memory Structure
Expanded RAM
(Indirect Addressing)
Expanded
768 Bytes
RAM
FFFFH
0300H
FFH
7FH
80H
00H
SST89E54RD2A/RDA / SST89E58RD2A/RDA
(Indirect Addressing)
(Indirect Addressing)
Upper 128 Bytes
Lower 128 Bytes
(Indirect & Direct
16
EXTRAM = 0
Internal RAM
Internal RAM
Addressing)
Memory
External
Data
FFFFH
0000H
FFH
80H
(Indirect Addressing)
(Direct Addressing)
EXTRAM = 1
Registers
Function
Special
(SFRs)
External
Memory
Data
FlashFlex MCU
1339 F05.0
S71339-02-000
02/08