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參數(shù)資料
| 型號(hào)： | PCM170U |
| 英文描述： | Audio Digital-to-Analog Converter |
| 中文描述： | 音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 223K |
| 代理商： | PCM170U |
2001 Microchip Technology Inc.
DS51140D-page 5
Processor Module and Device Adapter Specification
5.0
DEVICE ADAPTER ISSUES
This section details processor-specific considerations
that have been made on Device Adapters. Only adapt-
ers with special considerations are listed.
There will be a max of 10 mA of current draw from the
users target system even when the emulator Processor
Module is being powered by the emulator system, and
running internal clock. This is due to components on
the Device Adapter being powered by the user target
board.
5.1
DVA12XP080
This Device Adapter is intended for use with
PIC12C50X 8-pin DIP devices. It has four mechanical
switches that allow target pins GP2 to GP5 to be routed
to the emulator silicon on the PCM16XA0 Processor
Module or the oscillator chip on the Device Adapter, as
shown in Table 5-1.
In addition, a 24C00 EEPROM (U1) is connected to
RA0 and RA1 of the emulator silicon to support the
EEPROM capabilities of the PIC12CE51X family
devices. For information on how to use EEPROM
memory, see the online device-specific limitations for
the PCM16XA0, PIC12CE518/519 devices by select-
ing
Options > Development Mode
and clicking the
Details button.
5.2
DVA12XP081
This Device Adapter is intended for use with
PIC12C67X 8-pin DIP devices. It has two mechanical
switches that allow target pins GP4 and GP5 to be
routed to the emulator silicon on the PCM12XA0 Pro-
cessor Module or the oscillator device on the Device
Adapter, as shown in Table 5-2.
5.3
DVA16XP140
This Device Adapter is intended for use with the
PIC16C505 14-pin DIP device. It has four mechanical
switches. Two of the switches allow target pins RB4
and RB5 to be routed to the emulator silicon on the
PCM16XA0 Processor Module or the oscillator device
on the Device Adapter. The other two switches control
the routing of RB3 and RC5 signals. RB3 can be a gen-
eral-purpose input or MCLR. RC5 can be a general
purpose I/O or can drive the TOCKI input, as shown in
Table 5-3.
5.4
DVA16XP182
This Device Adapter is intended for use with
PIC16C712/716 18-pin DIP devices. It has a second
oscillator device that allows TIMER1 oscillator input
ranging from 32-40 kHz. It has four mechanical
switches. Target pins RB1 and RB2 can be routed to
the emulator silicon on the PCM16XE1 Processor Mod-
ule or the TIMER1 oscillator device on the Device
Adapter. Target pin RB1 is routed to T1CKI. Target pin
RB3 can be a general purpose input or CCP1, as
shown in Table 5-4.
5.5
DVA16XP200
This Device Adapter is intended for use with
PIC16C770/771 20-pin DIP devices. It has three
mechanical switches that allow target pins RA6 and
RA7 to be routed to the emulator silicon on the
PCM16XM0 Processor Module or the oscillator device
on the Device Adapter. Target pin RA5 routed MCLR of
the emulator silicon on the PCM16XM0, as shown in
Table 5-5.
Target pins RB6 and RB7 can be routed (via software)
to the emulator silicon of the PCM16XM0 or to a sec-
ond oscillator supporting a TIMER1 oscillator input
ranging from 32 to 40 kHz.
5.6
DVA16XP282, DVA16XP401,
DVA16XL441, and DVA16PQ441
These Device Adapters are intended for use with PIC-
micro MCU devices supported by the PCM16XB0/B1,
PCM16XE0/E1, PCM16XK0, PCM16XL0, and the
PCM18XA0 Processor Modules. The Device Adapters
have a second oscillator device that allows TIMER1
oscillator input ranging from 32 to 40 kHz.
For PCM16XB0/B1, PCM16XE0/E1, PCM16XK0 and
PCM16XL0, configure jumper J1 per Table 5-6.
For PCM18XA0 leave the jumper on pins 1-2 (
OFF
);
the timer1 oscillator enable/disable function is software
configurable.
5.7
DVA17xxxx0
These Device Adapters are intended for use with PIC-
micro MCU devices supported by the PCM17XA0 Pro-
cessor Module. In all processors in EC mode, OSC/4 is
not supported. OSC/4 in EC mode is supported in
DVA17xxxx1 Device Adapters.
5.8
Emulating a .600 28-Pin Part
When emulating a .600 wide, 28-pin device, an adapter
will be needed to convert the standard .300 wide
socket on the Device Adapters to the .600 wide socket
on the target board.
There are many adapters available for this purpose,
such as Digi-Key part number A502-ND.
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