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參數(shù)資料
| 型號(hào)： | XA-H4 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Single-chip 16-bit microcontroller |
| 中文描述： | 單片16位微控制器 |
| 文件頁(yè)數(shù)： | 3/42頁(yè) |
| 文件大?。?/td> | 225K |
| 代理商： | XA-H4 |
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Philips Semiconductors
Preliminary specification
XA-H4
Single-chip 16-bit microcontroller
1999 Sep 24
3
Table 1. XA-H3 and XA-H4 features comparison
Feature
XA-H3
XA-H4
Maximum External Memory
(Harvard Memory Mode)
Maximum External Memory
(Unified Memory Mode)
Memory Controller supports both Harvard and Unified architectures
6 MB
32 MB
(16 MB Code, 16 MB Data)
16 MB
6 MB
Yes
Yes
De-multiplexed Address/Data Bus
Yes
Yes
DRAM Controller
No
Yes
DMA Channels
8
8
Dynamic Bus Sizing
Yes
Yes
Dynamic Bus Timing
Yes
Yes
Programmable Chip Selects
6
6
General Purpose IO Pins
33
33
Potential Interrupt Pins
16
16
Interrupts (programmable priority)
7 Standard SW
4 High Priority SW
9 Hardware Event
7 Standard SW
4 High Priority SW
9 Hardware Event
Two Counter/Timers plus Watchdog
Baud Rate Generators
1
Yes
Yes
4
4
Serial Ports
4 UARTs
4 USARTs
Maximum Serial Data Rates
asynch to 230.4 kbps (no sync)
asynch to 230.4 kbps
sync to 1 Mbps
4 async chars per USART
Match Characters
No
Hardware Autobaud
NOTE:
1. Can be used as additional counters if not needed as BRGs.
No
up to 230.4 kbps
ORDERING INFORMATION
ROMless Only
Temperature range
°
C and Package
–40 to +85
°
C, 100-Pin Low Profile Quad Flat Package (LQFP)
Freq (MHz)
Package Drawing Number
H4 = PXAH40KFBE
NOTE
K=30 MHz, F = (–40 to +85), BE = LQFP
30
SOT407-1
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