参数资料
型号: SAX-XC878CM-13FFI5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封装: PLASTIC, TQFP-64
文件页数: 75/141页
文件大小: 2385K
代理商: SAX-XC878CM-13FFI5V
XC878CLM
Functional Description
Data Sheet
32
V1.1, 2009-08
3.2.4
XC878 Register Overview
The SFRs of the XC878 are organized into groups according to their functional units. The
contents (bits) of the SFRs are summarized in Chapter 3.2.4.1 to Chapter 3.2.4.15.
Note: The addresses of the bitaddressable SFRs appear in bold typeface.
3.2.4.1
CPU Registers
The CPU SFRs can be accessed in both the standard and mapped memory areas
(RMAP = 0 or 1).
Table 5
CPU Register Overview
Addr Register Name
Bit
7
6
5
4
3
2
1
0
RMAP = 0 or 1
81H
SP
Reset: 07H
Stack Pointer Register
Bit Field
SP
Type
rw
82H
DPL
Reset: 00H
Data Pointer Register Low
Bit Field
DPL7
DPL6
DPL5
DPL4
DPL3
DPL2
DPL1
DPL0
Type
rw
83H
DPH
Reset: 00H
Data Pointer Register High
Bit Field
DPH7
DPH6
DPH5
DPH4
DPH3
DPH2
DPH1
DPH0
Type
rw
87H
PCON
Reset: 00H
Power Control Register
Bit Field
SMOD
0
GF1
GF0
0
IDLE
Type
rw
r
rw
r
rw
88H
TCON
Reset: 00H
Timer Control Register
Bit Field
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
Type
rwh
rw
rwh
rw
rwh
rw
rwh
rw
89H
TMOD
Reset: 00H
Timer Mode Register
Bit Field
GATE
1
T1S
T1M
GATE
0
T0S
T0M
Type
rw
8AH
TL0
Reset: 00H
Timer 0 Register Low
Bit Field
VAL
Type
rwh
8BH
TL1
Reset: 00H
Timer 1 Register Low
Bit Field
VAL
Type
rwh
8CH
TH0
Reset: 00H
Timer 0 Register High
Bit Field
VAL
Type
rwh
8DH
TH1
Reset: 00H
Timer 1 Register High
Bit Field
VAL
Type
rwh
94H
MEX1
Reset: 00H
Memory Extension Register 1
Bit Field
CB
NB
Type
r
rw
95H
MEX2
Reset: 00H
Memory Extension Register 2
Bit Field
MCM
MCB
IB
Type
rw
96H
MEX3
Reset: 00H
Memory Extension Register 3
Bit Field
MCB1
9
0
MXB1
9
MXM
MXB
Type
rw
r
rw
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