參數(shù)資料
型號： C8051F2XX
廠商： Electronic Theatre Controls, Inc.
英文描述： Mixed Signal 8 kB ISP Flash MCU Family
中文描述： 混合信號8 KB的閃存MCU系列的ISP
文件頁數(shù)： 68/146頁
文件大?。?/td> 1856K
代理商： C8051F2XX
C8051F2xx
68
Rev. 1.6
9.3.
Special Function Registers
The direct-access data memory locations from 0x80 to 0xFF constitute the special function registers
(SFRs). The SFRs provide control and data exchange with the CIP-51's resources and peripherals. The
CIP-51 duplicates the SFRs found in a typical 8051 implementation as well as implementing additional
SFRs used to configure and access the sub-systems unique to the MCU. This allows the addition of new
functionality while retaining compatibility with the MCS-51 instruction set. Table 9.3 lists the SFRs imple-
mented in the CIP-51 System Controller.
The SFR registers are accessed anytime the direct addressing mode is used to access memory locations
from 0x80 to 0xFF. SFRs with addresses ending in 0x0 or 0x8 (e.g. P0, TCON, P1, SCON, IE, etc.) are bit-
addressable as well as byte-addressable. All other SFRs are byte-addressable only. Unoccupied
addresses in the SFR space are reserved for future use. Accessing these areas will have an indetermi-
nate effect and should be avoided. Refer to the corresponding pages of the datasheet, as indicated in
Table 9.3, for a detailed description of each register.
Notes:
1.
C8051F230/1/6 Do not have these registers.
2.
C8051F221/231 Does not have this register (32 pin package).
3.
On the C8051F206 and C8051F226/236 only.
4.
On the C8051F206 only (12-bit ADC)
Table 9.2. Special Function Register Memory Map
F8
F0
SPI0CN
B
ADC0CN
1
ACC
WDTCN
EIP2
P0MODE
P1MODE
P2MODE
P3MODE
2
EIP1
E8
E0
D8
D0
C8
C0
RSTSRC
EIE2
PRT0MX
PRT1MX
PRT2MX
EIE1
PSW
T2CON
REF0CN
RCAP2L
RCAP2H
TL2
TH2
ADC0GTL
4
ADC0GTH
1
ADC0LTL
4
ADC0LTH
1
ADC0CF
1
B8
B0
A8
A0
98
90
88
80
IP
P3
IE
P2
AMX0SL
1
ADC0L
4
FLSCL
ADC0H
1
FLACL
EMI0CN
3
PRT3CF
CPT1CN
OSCXCN
OSCICN
SWCINT
PRT1CF
SPI0CKR
PRT0CF
PRT2CF
CPT0CN
SCON
P1
TCON
P0
0(8)
Bit Addressable
SBUF
SPI0CFG
SPI0DAT
TMOD
SP
TL0
DPL
TL1
DPH
TH0
TH1
CKCON
PSCTL
PCON
1(9)
2(A)
3(B)
4(C)
5(D)
6(E)
7(F)
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