参数资料
型号: MC68HC05C12ACFB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 75/156页
文件大小: 756K
代理商: MC68HC05C12ACFB
MC68HC05C12A Rev. 3.0
General Release Specification
MOTOROLA
Memory
25
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification — MC68HC05C12A
Section 2. Memory
2.1 Contents
2.2 Introduction
The MC68HC05C12A has an 16-Kbyte memory map, consisting of user
read-only memory (ROM), user random-access memory (RAM), self-
check ROM, and input/output (I/O) registers. See Figure 2-1 and
2.3 Read-Only Memory (ROM)
The user ROM consists of 48 bytes of page zero ROM from $0020 to
$004F, 12,032 bytes of user ROM from $1000 to $3EFF, and 16 bytes
of user vectors from $3FF0 to $3FFF. The self-check ROM and vectors
are located from $3F00 to $3FEF. See Figure 2-1.
Twelve of the user vectors, $3FF4–$3FFF, are dedicated to user-
defined reset and interrupt vectors. The remaining four bytes from
$3FF0–$3FF3 are not used.
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