参数资料
型号: R5F21181DSP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封装: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件页数: 13/43页
文件大小: 685K
代理商: R5F21181DSP
REJ03B0234-0030 Rev.0.30 Feb 14, 2008
Page 20 of 92
Under development
Preliminary Specification
Specifications in this preliminary version are subject to change.
R32C/157 Group
4. Special Function Registers (SFR)
4.
Special Function Registers (SFR)
Special Function Registers (SFR) are memory-mapped peripheral registers that control the operation of
peripherals. Table 4.1 SFR List (1) to Table 4.72 SFR List (72) list the details of SFR.
Table 4.1
SFR List (1)
Address
Register
Symbol
Reset Value
000000h
000001h
000002h
000003h
000004h Clock Control Register
CCR
18h
000005h
000006h Flash Memory Control Register
FMCR
01h
000007h Protect Release Register
PRR
00h
000008h
000009h
00000Ah
00000Bh
00000Ch
00000Dh
00000Eh
00000Fh
000010h
000011h
000012h
000013h
000014h
000015h
000016h
000017h
000018h
000019h
00001Ah
00001Bh
00001Ch Flash Memory Rewrite Bus Control Register
FEBC
0000h
00001Dh
00001Eh Peripheral Bus Control Register
PBC
0504h
00001Fh
000020h to
00005Fh
X: Undefined
Blanks are reserved. No access is allowed.
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