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參數(shù)資料
| 型號： | TMX470R1A64PN |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16/32-Bit RISC Flash Microcontroller |
| 中文描述： | 16/32位RISC閃存微控制器 |
| 文件頁數(shù)： | 4/46頁 |
| 文件大?。?/td> | 381K |
| 代理商： | TMX470R1A64PN |
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www.ti.com
A
TMS470R1A64
16/32-Bit RISC Flash Microcontroller
SPNS099–NOVEMBER 2004
The A64 device has a 10-bit-resolution sample-and-hold MibADC. The MibADC channels can be converted
individually or can be grouped by software for sequential conversion sequences. There are three separate
groupings, two of which are triggerable by an external event. Each sequence can be converted once when
triggered or configured for continuous conversion mode. For more detailed functional information on the MibADC,
see the
TMS470R1x Multi-Buffered Analog-to-Digital Converter (MibADC) Reference Guide
(literature number
SPNU206).
The zero-pin phase-locked loop (ZPLL) clock module contains a phase-locked loop, a clock-monitor circuit, a
clock-enable circuit, and a prescaler (with prescale values of 1–8). The function of the ZPLL is to multiply the
external frequency reference to a higher frequency for internal use. The ZPLL provides ACLK to the system
(SYS) module. The SYS module subsequently provides the system clock (SYSCLK), real-time interrupt clock
(RTICLK), CPU clock (MCLK), and peripheral interface clock (ICLK) to all other A64 device modules. For more
detailed functional information on the ZPLL, see the
TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock
Module Reference Guide
(literature number SPNU212).
NOTE:
ACLK should not be confused with the MibADC internal clock, ADCLK. ACLK is the
continuous system clock from an external resonator/crystal reference.
The A64 device also has an external clock prescaler (ECP) module that, when enabled, outputs a continuous
external clock (ECLK) on a specified GIO pin. The ECLK frequency is a user-programmable ratio of the
peripheral interface clock (ICLK) frequency. For more detailed functional information on the ECP, see the
TMS470R1x External Clock Prescaler (ECP) Reference Guide
(literature number SPNU202).
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