MC68HC05E5 Datasheet, PDF (18/140 Pages) Freescale Semiconductor, Inc – General Release Specification

Freescale Semiconductor, Inc.
General Description
1.4 Mask Options
The M68HC05E5 has four mask options:
1. STOP instruction (enable/disable)
2. IRQ (edge-sensitive only or edge- and level-sensitive)
3. COP watchdog timer (enable/disable)
4. CPI Rate (1 second, 0.5 second, or 0.25 second)
NOTE: A line over a signal name indicates an active low signal. For example,
RESET is active low.
1.5 Functional Pin Description
Figure 1-2 shows the single-chip mode pinout for the MC68HC05E5.
Refer to the following subsections for a description of the pins.
IRQ 1
RESET 2
OSC1 3
OSC2 4
PB7/SCL 5
PB6/SDA 6
PB5/SDIO 7
PB4/SCK 8
PB3/TIPL 9
PB2 10
PB1 11
PB0 12
V_DD
13
V_SS
14
28 XFC
27
V_DDSYN
26 ^PA0
25 ^PA1
24 PA2
23 PA3
22 PA4
21 PA5
20 PA6
19 PA7
18 PC0
17 PC1
16 PC2
15 PC3
Figure 1-2. Single-Chip Mode Pinout
General Release Specification
General Description
For More Information On This Product,
Go to: www.freescale.com
MC68HC05E5 — Rev. 1.0