SAB-C167CR-LM

Manufacturer Part NumberSAB-C167CR-LM
Description16-bit microcontroller with 2x2 KByte RAM
ManufacturerInfineon Technologies AG
SAB-C167CR-LM datasheet
 


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Table 2
Pin Definitions and Functions (cont’d)
Symbol Pin
Input
Num.
Outp.
P3
IO
P3.0
65
I
P3.1
66
O
P3.2
67
I
P3.3
68
O
P3.4
69
I
P3.5
70
I
P3.6
73
I
P3.7
74
I
P3.8
75
I/O
P3.9
76
I/O
P3.10
77
O
P3.11
78
I/O
P3.12
79
O
O
P3.13
80
I/O
P3.15
81
O
OWE
84
I
V
(
)
PP
Data Sheet
Function
Port 3 is a 15-bit bidirectional I/O port. It is bit-wise
programmable for input or output via direction bits. For a pin
configured as input, the output driver is put into high-
impedance state. Port 3 outputs can be configured as push/
pull or open drain drivers. The input threshold of Port 3 is
selectable (TTL or special).
The following Port 3 pins also serve for alternate functions:
T0IN
CAPCOM1 Timer T0 Count Input
T6OUT
GPT2 Timer T6 Toggle Latch Output
CAPIN
GPT2 Register CAPREL Capture Input
T3OUT
GPT1 Timer T3 Toggle Latch Output
T3EUD
GPT1 Timer T3 External Up/Down Control Input
T4IN
GPT1 Timer T4 Count/Gate/Reload/Capture Inp
T3IN
GPT1 Timer T3 Count/Gate Input
T2IN
GPT1 Timer T2 Count/Gate/Reload/Capture Inp
MRST
SSC Master-Receive/Slave-Transmit Inp./Outp.
MTSR
SSC Master-Transmit/Slave-Receive Outp./Inp.
T × D0
ASC0 Clock/Data Output (Async./Sync.)
R × D0
ASC0 Data Input (Async.) or Inp./Outp. (Sync.)
BHE
External Memory High Byte Enable Signal,
WRH
External Memory High Byte Write Strobe
SCLK
SSC Master Clock Output / Slave Clock Input.
CLKOUT
System Clock Output (= CPU Clock)
Oscillator Watchdog Enable. This input enables the oscillator
watchdog when high or disables it when low e.g. for testing
purposes. An internal pullup device holds this input high if
nothing is driving it.
For normal operation pin OWE should be high or not
connected.
In order to drive pin OWE low draw a current of at least
200 µ A.
8
C167CR
C167SR
V3.2, 2001-07