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參數(shù)資料
| 型號： | MC68307FG |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 8/34頁 |
| 文件大?。?/td> | 354K |
| 代理商： | MC68307FG |
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MC68307 TECHNICAL INFORMATION
MOTOROLA
UART Programming Model
The programming model for the UART module is listed in Table 10. The FC (function code) column indicates
whether a register is restricted to supervisor access (S) or programmable to exist in either supervisor or user
space (S/U). The address column contains the offset from the base address (MBASE) contained in the SIM07
MBAR.
Table 10. UART Module Registers
Address
FC
Register Name
MBASE+$101
S/U
Do not access byte $100
UART mode register (UMR1,UMR2)
MBASE+$103
S/U
Do not access byte $102 UART status/clock select register (USR,UCSR)
MBASE+$105
S/U
Do not access byte $104
UART command register (UCR)
MBASE+$107
S/U
Do not access byte $106
(read) UART receive buffer (UTB, URB)
MBASE+$107
S/U
Do not access byte $106
(write) UART transmit buffer (UTB, URB)
MBASE+$109
S/U
Do not access byte $108
(read) UART CTS change register (UCCR)
MBASE+$109
S/U
Do not access byte $108 (write) UART auxiliary control register (UACR)
MBASE+$10B
S/U
Do not access byte $10A
(read) UART interrupt status register (UISR)
MBASE+$10B
S/U
Do not access byte $10A
(write) UART interrupt mask register (UIMR)
MBASE+$10D
S/U
Do not access byte $10C
Baud rate gen prescaler msb (UBG1)
MBASE+$10F
S/U
Do not access byte $10E
Baud rate gen prescaler lsb (UBG2)
MBASE+$119
S/U
Do not access byte $118
UART interrupt vector register (UIVR)
MBASE+$11B
S/U
Do not access byte $11A
UART CTS unlatched input port (UCP)
MBASE+$11D
S/U
Do not access byte $11C
UART RTS output bit set cmd (URBS)
MBASE+$11F
S/U
Do not access byte $11E
UART RTS output bit reset cmd (URBR)
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