Datasheet

MC9RS08KA8 Series MCU Data Sheet, Rev. 4
Pin Assignments
Freescale Semiconductor4
Figure 2. MC9RS08KA8 Series in 20-Pin PDIP/SOIC Package
Table 1. Pin Availability by Package Pin-Count
Pin
Number
<-- Lowest Priority --> Highest
20 16 Port Pin Alt 1 Alt 2 Alt 3 Alt 4
1 1 PTA5 TCLK RESET
V
PP
2 2 PTA4 ACMPO BKGD MS
33 V
DD
44 V
SS
5 5 PTB7 SCL
1
1
IIC pins can be remapped to PTA3 and PTA2
EXTAL
6 6 PTB6 SDA
1
XTAL
7 7 PTB5 TPMCH1
2
2
TPM pins can be remapped to PTA0 and PTA1
8 8 PTB4 TPMCH0
2
9 — PTC3 ADP11
10 — PTC2 ADP10
11 — PTC1 ADP9
12 — PTC0 ADP8
13 9 PTB3 KBIP7 ADP7
14 10 PTB2 KBIP6 ADP6
15 11 PTB1 KBIP5 ADP5
16 12 PTB0 KBIP4 ADP4
17 13 PTA3 KBIP3 SCL
1
ADP3
18 14 PTA2 KBIP2 SDA
1
ADP2
19 15 PTA1 KBIP1 TPMCH1
2
ADP1 ACMP–
20 16 PTA0 KBIP0 TPMCH0
2
ADP0 ACMP+
1
2
3
4
5
6
7
8
9
10
11
13
14
PTC2/ADP10
PTB4/TPMCH0
PTC3/ADP11
PTC0/ADP8
PTB3/KBIP7/ADP7
PTB2/KBIP6/ADP6
PTB1/KBIP5/ADP5
PTB0/KBIP4/ADP4
PTA2/KBIP2/SDA/ADP2
PTA3/KBIP3/SCL/ADP3
PTA1/KBIP1/TPMCH1/ADP1/ACMP–
PTA0/KBIP0/TPMCH0/ADP0/ACMP+
PTC1/ADP9
PTA5/TCLK/RESET
/V
PP
PTA4/ACMPO/BKGD/MS
V
DD
V
SS
PTB7/SCL/EXTAL
PTB6/SDA/XTAL
PTB5/TPMCH1
15
16
17
18
19
20
12