參數(shù)資料
型號(hào): SST89E54RC-33-C-PIE
廠商: Microchip Technology
文件頁數(shù): 6/71頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 17KB FLASH 40PDIP
標(biāo)準(zhǔn)包裝: 9
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 1K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25088A
10/11
14
FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
A Microchip Technology Company
Table 5:
Flash Memory Programming SFRs
Symbol Description
Direct
Address
Bit Address, Symbol, or Alternative Port Function
Reset
Value
MSB
LSB
SFCF
SuperFlash
Configuration
B1H
CMD_
Status
IAPEN
-
HWIAP
-
SFST_SEL
10000000b
SFCM
SuperFlash
Command
B2H
-
FCM[6:0]
00H
SFAL
SuperFlash
Address Low
B3H
SuperFlash
Low Order Byte Address Register
A7 to A0 (SFAL)
00H
SFAH
SuperFlash
Address
High
B4H
SuperFlash
High Order Byte Address Register
A15 to A8 (SFAH)
00H
SFDT
SuperFlash
Data
B5H
SuperFlash
Data Register
00H
SFST
SuperFlash
Status
B6H
SFST_SEL
=0H
Manufacturer’s ID
BFH
SFST_SEL
=1H
Device ID0
(F7H indicates Device ID1 is real ID)
SFST_SEL
=2H
Device ID1
SFST_SEL
=3H
Boot Vector
SFST_SEL
=4H
-
PAGE4
PAGE3
PAGE2
PAGE1
PAGE0
SFST_SEL
=5H
X
Boot
From
Zero
Boot-
From-
User-
Vec-
tor
Enable
Clock-
Double
Disable-
Extern-
Host-
Cmd
Disable-
Extern-
MOVC
Disable-
Extern-
Boot
Disable-
Extern-
IAP
T0-0.0 25008
Table 6: Watchdog Timer SFRs
Symbol Description
Direct
Address
Bit Address, Symbol, or Alternative Port Function
Reset
Value
MSB
LSB
WDTC
1
1. Bit Addressable SFRs
Watchdog
Timer
Control
C0H
-
WDTON WDFE
-
WDRE WDTS WDT SWDT
x0000000b
WDTD
Watchdog
Timer
Data/Reload
85H
Watchdog Timer Data/Reload
00H
T0-0.0 25008
Table 7: Feed Sequence SFRs
Symbol Description
Direct
Address
Bit Address, Symbol, or Alternative Port Function
Reset
Value
MSB
LSB
SFIS0
Sequence Reg 0
97H
(Write only)
00H
SFIS1
Sequence Reg 1
C4H
(Write only)
00H
T0-0.0 25008
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