VRS51C1000-40-LG Ramtron, VRS51C1000-40-LG Datasheet - Page 5

• Manufacturer Part Number: VRS51C1000-40-LG
• Description: Microcontrollers (MCU) 64K+1K 40MHz 5V
• Manufacturer: Ramtron

Specifications of VRS51C1000-40-LG

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Data Ram Size: 1 KB
• Interface Type: UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-44
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

Special Function Registers (SFR)
Addresses 80h to FFh of the SFR address space can be accessed in direct addressing mode only. The following table
lists the VRS51C1000 Special Function Registers.
T
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ABLE
P0
SP
DPL
DPH
RCON
DBANK
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
P1
SCON
SBUF
PWME
WDTC
P2
PWMC
PWMD0
PWMD1
PWMD2
PWMD3
IE
PWMD4
P3
IP
SYSCON
T2CON
RCAP2L
RCAP2H
TL2
TH2
PSW
P4
ACC
B
IAPFADHI
IAPFADLO
IAPFDATA
IAPFCTRL
VRS51C1000
Register
SFR
5: S
PECIAL
F
UNCTION
Adrs
SFR
CAh
CBh
CCh
CDh
8Ch
8Dh
ACh
BFh
C8h
D0h
D8h
80h
81h
82h
83h
85h
86h
87h
88h
89h
8Ah
8Bh
90h
98h
99h
9Bh
9Fh
A0h
A3h
A4h
A5h
A6h
A7h
A8h
B0h
B8h
E0h
F0h
F4h
F5h
F6h
F7h
R
EGISTERS
IAPSTART
PWMD0.4
PWMD1.4
PWMD2.4
PWMD3.4
PWMD4.4
PWM4E
GATE1
SMOD
WDTE
WDR
FA15
Bit 7
SM0
BSE
TF1
TF2
FA7
FD7
EA
CY
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(SFR)
PWMD0.3
PWMD1.3
PWMD2.3
PWMD3.3
PWMD4.3
PWM3E
EXF2
FA14
Bit 6
C/T1
SM1
TR1
FD6
FA6
AC
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PWMD0.2
PWMD1.2
PWMD2.2
PWMD3.2
PWMD4.2
PWM2E
CLEAR
RCLK
FA13
Bit 5
M1.1
SM2
ET2
PT2
FA5
FD5
TF0
F0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PWMD0.1
PWMD1.1
PWMD2.1
PWMD3.1
PWMD4.1
PWM1E
TCLK
FA12
Bit 4
M0.1
REN
RS1
TR0
FA4
FD4
ES
PS
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PWMD0.0
PWMD1.0
PWMD2.0
PWMD3.0
PWMD4.0
PWM0E
GATE0
EXEN2
FA11
Bit 3
GF1
RS0
P4.3
BS3
TB8
ET1
PT1
FA3
FD3
IE1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NP0.2
NP1.2
NP2.2
NP3.2
NP4.2
FA10
Bit 2
IAPE
C/T0
P4.2
BS2
GF0
RB8
PS2
EX1
PX1
TR2
FD2
FA2
IT1
OV
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PDOWN
IAPFCT
XRAME
RAMS1
PDCK1
NP0.1
NP1.1
NP2.1
NP3.1
NP4.1
Bit 1
M1.0
C/T2
P4.1
BS1
PS1
ET0
PT0
FA9
FD1
FA1
IE0
TI
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
page 5 of 48
IAPFCT
CP/RL2
RAMS0
PDCK0
NP0.0
NP1.0
NP2.0
NP3.0
NP4.0
Bit 0
IDLE
M0.0
ALEI
P4.0
BS0
PS0
EX0
PX0
FA8
FA0
FD0
IT0
RI
P
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
1111 1111b
0000 0111b
0000 0000b
0000 0000b
0000 0000b
0000 0001b
0000 0000b
0000 0010b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
1111 1111b
0000 0000b
0111 1111b
0000 0000b
0000 0000b
1111 1111b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
1111 1011b
0000 0000b
0000 1010b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0001b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
0000 0000b
****1111b
Reset
Value