參數(shù)資料
型號： UPD703100A-40
廠商： NEC Corp.
英文描述： V850E/MS1TM 32/16-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： V850E/MS1TM 32/16單晶片微控制器
文件頁數(shù)： 22/132頁
文件大?。?/td> 1174K
代理商： UPD703100A-40
Preliminary Data Sheet U14168EJ2V0DS00
22
μ
PD703100A-33, 703100A-40, 703101A-33, 703102A-33
3.1.4 RAM
RAM is mapped to the 4-Kbyte address space starting at FFFFE000H. The CPU can access RAM in one clock
cycle when an instruction is fetched or data is accessed.
3.1.5 Ports
In addition to the 123 pins (ports 0 to 12, A, B, and X) constituting the I/O ports (of which nine pins constitute an
input-only port), various port pin and control pin functions can be selected for these pins.
3.1.6 Interrupt controller (INTC)
This controller handles hardware interrupt requests (NMI, INTP100 to INTP103, INTP110 to INTP113, INTP120 to
INTP123, INTP130 to INTP133, INTP140 to INTP143, and INTP150 to INTP153) from on-chip peripheral I/O and
external hardware. Eight interrupt priority levels can be specified for these interrupt requests, and multiplexed
servicing control can be performed for interrupt sources.
3.1.7 Clock generator (CG)
A frequency of five times (using an on-chip PLL) or one-half times (not using an on-chip PLL) that of the input
clock (f
XX
) is supplied as the internal system clock (
φ
). Either an external oscillator is connected to pins X1 and X2
(only when the on-chip PLL synthesizer is used) or an external clock is input from the X1 pin as the input clock.
3.1.8 Real-time pulse unit (RPU)
The RPU includes a six-channel 16-bit timer/event counter and a two-channel 16-bit interval timer, which enables
measurement of pulse intervals and frequency as well as programmable pulse output.
3.1.9 Serial interface (SIO)
Four channels are comprised of two kinds of serial interfaces: an asynchronous serial interface (UART) and a
clocked serial interface (CSI). Two of these four channels are switchable between the UART and CSI and the other
two channels are fixed as CSI.
For UART, data is transferred via the TXD and RXD pins. For CSI, data is transferred via the SO, SI, and SCK
pins.
The serial clock source can be selected from dedicated baud rate generator output or the internal system clock.
3.1.10 A/D converter (ADC)
This is a high-speed, high-resolution 10-bit A/D converter that includes eight analog input pins. It converts using
the successive approximation method.
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