參數(shù)資料
型號(hào): EM78869
廠商: ELAN Microelctronics Corp .
元件分類: 8位微控制器
英文描述: 8-Bit RISC Type Microprocessor
中文描述: 8位RISC型微處理器
文件頁數(shù): 15/38頁
文件大?。?/td> 514K
代理商: EM78869
EM78869
8-Bit RISC Type Microprocessor
This specification is subject to change without further notice.
07.12.2004 (V1.0)
11 of 34
6.1.16 RF (Interrupt Status Register)
Bit 7
INT3
Bit 6
0
Bit 5
CNT2
Bit 4
CNT1
Bit 3
INT2
Bit 2
INT1
Bit 1
INT0
Bit 0
TCIF
Bit 0
:
(TCIF) TCC timer overflow interrupt flag. Set when TCC timer overflows.
Bit 1
:
(INT0) External INT0 pin interrupt flag
Bit 2
:
(INT1) External INT1 pin interrupt flag
Bit 3
:
(INT2) External INT2 pin interrupt flag
Bit 4
:
(CNT1) Internal Counter 1 underflow interrupts
Bit 5
:
(CNT2) Internal Counter 2 underflow interrupts
Bit 6: Unused. Clear to ‘0.’
Bit 7
:
(INT3) External INT3 pin interrupt flag
NOTE
1. “1” means interrupt request; “0” means non-interrupt
2. Refer to Section 6.7 (
Interrupt
) for reference on high to low edge trigger
3. IOCF is the interrupt mask register. You can read and clear this register.
6.1.17 R10 ~ R1F and R20 ~ R3F (General Purpose Register)
R10 ~ R1F & R20 ~ R3F (Banks 0~3) are general purpose registers.
6.2
Special Purpose Registers
6.2.1 A (Accumulator, ACC)
Internal data transfer, or instruction operand holding. This is not an addressable register.
6.2.2 CONT (Control Register)
Bit 7
Bit 6
INT
Bit 5
TS
Bit 4
-
Bit 3
PAB
Bit 2
PSR2
Bit 1
PSR1
Bit 0
PSR0
INT_EDGE
Bit 0 ~2
:
(PSR0) (PSR2) TCC/WDT pre-scaler bits
PSR2
PSR1
PSR0
TCC Rate
WDT Rate
0
0
0
1:2
1:1
0
0
1
1:4
1:2
0
1
0
1:8
1:4
0
1
1
1:16
1:8
1
0
0
1:32
1:16
1
0
1
1:64
1:32
1
1
0
1:128
1:64
1
1
1
1:256
1:128
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