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参数资料
| 型号： | PIC12F519T-I/MS |
| 厂商： | Microchip Technology |
| 文件页数： | 38/96页 |
| 文件大小： | 0K |
| 描述： | IC PIC MCU FLASH 1KX12 8MSOP |
| 产品培训模块： | Asynchronous Stimulus |
| 标准包装： | 2,500 |
| 系列： | PIC® 12F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 8MHz |
| 外围设备： | POR，WDT |
| 输入/输出数： | 5 |
| 程序存储器容量： | 1.5KB（1K x 12） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 41 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 配用： | AC162096-ND - HEADER MPLAB ICD2 PIC16F526 8/14 AC164325-ND - MODULE SKT FOR 8MSOP |
| 其它名称： | PIC12F519T-I/MSTR |
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2008 Microchip Technology Inc.
DS41319B-page 41
PIC12F519
PC will then roll over to the users program at address
0x000. The user then has the option of writing the value
to the OSCCAL Register (05h) or ignoring it.
OSCCAL, when written to with the calibration value, will
“trim” the internal oscillator to remove process variation
from the oscillator frequency.
For the PIC12F519 device, only bits <7:1> of OSCCAL
are used for calibration. See Register 4-3 for more
information.
8.3
Reset
The device differentiates between various kinds of
Reset:
Power-on Reset (POR)
MCLR Reset during normal operation
MCLR Reset during Sleep
WDT Time-out Reset during normal operation
WDT Time-out Reset during Sleep
Wake-up from Sleep on pin change
Some registers are not reset in any way, and they are
unknown on Power-on Reset (POR) and unchanged in
any other Reset. Most other registers are reset to
“Reset state” on Power-on Reset (POR), MCLR, WDT
or Wake-up on pin change Reset during normal
operation. They are not affected by a WDT Reset
during Sleep or MCLR Reset during Sleep, since these
Resets are viewed as resumption of normal operation.
The exceptions to this are TO, PD and GPWUF bits.
They are set or cleared differently in different Reset
situations. These bits are used in software to determine
the nature of Reset. See Table 8-3 for a full description
of Reset states of all registers.
TABLE 8-3:
RESET CONDITIONS FOR REGISTERS
Note:
Erasing the device will also erase the
pre-programmed internal calibration value
for the internal oscillator. The calibration
value must be read prior to erasing the
part so it can be reprogrammed correctly
later.
Note:
The bit 0 of the OSCCAL register is
unimplemented and should be written as
‘0’
when
modifying
OSCCAL
for
compatibility with future devices.
Register
Address
Power-on Reset
MCLR Reset, WDT Time-out,
Wake-up On Pin Change
W—
qqqq qqq0(1)
INDF
00h
xxxx xxxx
uuuu uuuu
TMR0
01h
xxxx xxxx
uuuu uuuu
PCL
02h
1111 1111
STATUS
03h
0-01 1xxx
q-0q quuu(2), (3)
FSR
04h
110x xxxx
11uu uuuu
OSCCAL
05h
1111 111-
uuuu uuu-
PORTB
06h
--xx xxxx
--uu uuuu
OPTION
—
1111 1111
TRIS
—
--11 1111
EECON
21h
---0 x000
---0 q000
EEDATA
25h
xxxx xxxx
uuuu uuuu
EEADR
26h
--xx xxxx
--uu uuuu
Legend: u
= unchanged, x = unknown, – = unimplemented bit, read as ‘0’, q = value depends on condition.
Note 1:
Bits <7:1> of W register contain oscillator calibration values due to MOVLW XX instruction at top of memory.
2:
See Table 8-4 for Reset value for specific conditions.
3:
If Reset was due to wake-up on pin change, then bit 7 = 1. All other Resets will cause bit 7 = 0.
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