MC9RS08KA8RM Datasheet, PDF (24/190 Pages) Freescale Semiconductor, Inc – MC9RS08KA8 Features

Chapter 2 Pins and Connections
NOTE
To avoid extra current drain from floating input pins, the reset initialization
routine in the application program must enable on-chip pullup/pulldown
devices or change the direction of unused pins to outputs.
Table 2-1. Pin Availability by Package Pin-Count
Pin
Number
<— Lowest Priority —> Highest
20 16 Port Pin
Alt 1
Alt 2
1 1 PTA5
TCLK
2 2 PTA4
ACMPO
BKGD
33
44
5 5 PTB7
6 6 PTB6
7 7 PTB5
8 8 PTB4
SCL¹
SDA¹
TPMCH1²
TPMCH0²
9 — PTC3
10 — PTC2
11 — PTC1
12 — PTC0
13 9 PTB3
KBIP7
14 10 PTB2
KBIP6
15 11 PTB1
KBIP5
16 12 PTB0
KBIP4
17 13 PTA3
KBIP3
SCL¹
18 14 PTA2
KBIP2
SDA¹
19 15 PTA1
KBIP1
TPMCH1²
20 16 PTA0
KBIP0
TPMCH0²
1 _{IIC pins can be remapped to PTA3 and PTA2}
2 _{TPM pins can be remapped to PTA0 and PTA1}
Alt 3
RESET
MS
ADP11
ADP10
ADP9
ADP8
ADP7
ADP6
ADP5
ADP4
ADP3
ADP2
ADP1
ADP0
Alt 4
V_PP
V_DD
V_ss
EXTAL
XTAL
ACMP–
ACMP+
MC9RS08KA8 Series Reference Manual, Rev. 3
24
Freescale Semiconductor