C8051F52X_12 Datasheet, PDF (97/221 Pages) Silicon Laboratories – 8/4/2 kB ISP Flash MCU Family

C8051F52x/F53x
Table 9.2. Special Function Registers (Continued)
SFRs are listed in alphabetical order. All undefined SFR locations are reserved
Register
Address
Description
REF0CN 0xD1
Voltage Reference Control
REG0CN 0xC9
Voltage Regulator Control
RSTSRC 0xEF
Reset Source Configuration/Status
SBUF0
0x99
UART0 Data Buffer
SCON0
0x98
UART0 Control
SP
0x81
Stack Pointer
SPI0CFG 0xA1
SPI Configuration
SPI0CKR 0xA2
SPI Clock Rate Control
SPI0CN
0xF8
SPI Control
SPI0DAT 0xA3
SPI Data
TCON
0x88
Timer/Counter Control
TH0
0x8C
Timer/Counter 0 High
TH1
0x8D
Timer/Counter 1 High
TL0
0x8A
Timer/Counter 0 Low
TL1
0x8B
Timer/Counter 1 Low
TMOD
0x89
Timer/Counter Mode
TMR2CN 0xC8
Timer/Counter 2 Control
TMR2H
0xCD
Timer/Counter 2 High
TMR2L
0xCC
Timer/Counter 2 Low
TMR2RLH 0xCB
Timer/Counter 2 Reload High
TMR2RLL 0xCA
Timer/Counter 2 Reload Low
VDDMON
XBR0
0xFF
0xE1
V_DD Monitor Control
Port I/O Crossbar Control 0
XBR1
0xE2
Port I/O Crossbar Control 1
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73
75
112
150
149
87
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159
158
160
186
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189
189
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194
194
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194
109
127
128
Rev. 1.4
97