Freescale Semiconductor, Inc.
Ge ne ra l Re le a se Sp e c ific a tion — MC68HC05CT4
Se c tion 2. Me m ory
2.1 Conte nts
2.2
2.3
2.4
2.5
2.6
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Read-Only Memory (ROM). . . . . . . . . . . . . . . . . . . . . . . . . . . .25
ROM Security Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Random-Access Memory (RAM) . . . . . . . . . . . . . . . . . . . . . . .26
2.2 Introd uc tion
This section describes the organization of the on-chip memory. The
MC68HC05CT4 8-Kbyte memory map is shown in Figure 2-1 and the
input/output (I/O) registers in Figure 2-2.
2.3 Me m ory Ma p
The MC68HC05CT4 has an 8-Kbyte memory map consisting of user
read-only memory (ROM), random-access memory (RAM), self-check
ROM, and I/O.
2.4 Re a d -Only Me m ory (ROM)
The user ROM consists of 5120 bytes of ROM located from $0B00 to
$1EFF and 16 bytes of user vectors located from $1FF0 to $1FFF.
The self-check ROM is located from $1F00 to $1FEF.
MC68HC05CT4 — Rev. 2.0
General Release Specification
Memory
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