T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 13

• Manufacturer Part Number: T89C5121-ICUIL
• Description: IC 8051 MCU W/SMART CARD 24SSOP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5121-ICUIL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SmartCard, UART/USART
• Peripherals: LED, POR, WDT
• Number Of I /o: 14
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: Flash RAM
• Eeprom Size: 16K x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 5.4 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: Q1468934; T89C5121-ICSIL; T89C5121-ICSIL

Table 2. SFR Addresses and Reset Values
Reserved
4164G–SCR–07/06
F8h
F0h
E8h
E0h
D8h
D0h
C8h
C0h
B8h
B0h
A8h
A0h
98h
90h
88h
80h
XXX0 0000
0XX0 0000
XXX0 0000
XX11 1111
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
0000 0000
1111 1111
SCON
TCON
PSW
ACC
IPL0
IE0
0/8
0/8
P3
P2
P1
P0
B
XXXX OXXX
XXXX 0XXX
XXXX XXXX
XXXX 0000
00XX 0000
0000 0000
0000 0000
0000 0000
0000 0111
LEDCON
SIOCON
SADEN
SADDR
RCON
TMOD
SBUF
IE1
1/9
1/9
SP
XXXX 0XXX
0000 0000
SCTBUF*
0000 000
SCRBUF
XXX XXX0
0000 0100
0000 0000
0000 0000
0000 0000
IPL1
AUXR1
ISEL
BRL
DPL
TL0
2/A
2/A
XXXX 0XXX
XXX0 1000
XXX0 0000
0000 0000
0000 0000
BDRCON
SCRS Bit (SCSR.0)
SCSR
IPH1
DPH
TL1
3/B
3/B
0
1
0
1
0
1
1000 0000
0000 1100
0111 0100
0000 0000
SCWT0 *
SCGT0 *
SCCON *
SCETU0
0X000
TH0
4/C
4/C
20
0
1
0
1
10X0 0000
0010 0101
0000 0000
0000 0000
SCWT1 *
SCETU1
SCGT1*
SCISR*
0XXX
TH1
5/D
5/D
0
1
0
1
XXXX XXXX
00XX XX00
0X00 0000
0X00 0000
0000 0000
0000 0000
WDTRST
SCWT2 *
SCICR *
SCIER *
AUXR
SCIIR*
6/E
6/E
SFR value
SFR value
A/T8xC5121
(*)
XXXX X0000
XXXX 0XXX
XXXX XX11
XXXX 111X
00XX XX00
XXX0 0000
X0X0 X000
WDTPRG
DCCKPS
CKCON1
CKCON0
PCON
CKRL
IPH0
7/F
7/F
FFh
EFh
E7h
DFh
D7h
CFh
C7h
BFh
B7h
AFh
A7h
F7h
9Fh
97h
8Fh
87h
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