CP80S54E ETC2 [List of Unclassifed Manufacturers], CP80S54E Datasheet - Page 3

• Manufacturer Part Number: CP80S54E
• Description: EPROM/ROM-Based 8-Bit Microcontroller Series
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

PIN CONNECTION
PIN DESCRIPTIONS
Legend: I=input, O=output, I/O=input/output
IOA0 ~ IOA7
IOB1 ~ IOB7
IOB0/INT
PDIP, SOP
OSCO
T0CKI
IOA4/T0CKI
Name
RSTB
IOA5/RSTB
OSCI
Vdd
Vss
IOB0/INT
IOA2
IOA3
IOB1
IOB2
IOB3
Vss
1
2
3
4
5
6
7
8
9
I/O
I/O
I/O
I/O
O
I
-
-
I
I
CP8054SE
CP8056SE
CP8054S
CP8056S
IOA0 ~ IOA7 as bi-direction I/O port, and IOA5 is an input only pin.
Bi-direction I/O pin with system wake-up function / External interrupt input
Bi-direction I/O port with system wake-up function
Clock input to Timer0. Must be tied to Vss or Vdd, if not in use, to reduce current
consumption
System clear (RESET) input. This pin is an active low RESET to the device.
X’tal type: Oscillator crystal input
RC type: Clock input of RC oscillator
X’tal type: Oscillator crystal output.
RC mode: Outputs with the instruction cycle rate
Positive supply
Ground
18
17
16
15
14
13
12
10
11
IOA1
IOA0
IOA7/OSCI
IOA6/OSCO
Vdd
IOB7
IOB6
IOB5
IOB4
Description
IOA4/T0CKI
IOA5/RSTB
IOB0/INT
SSOP
IOA2
IOA3
IOB1
IOB2
IOB3
Vss
Vss
1
2
3
4
5
6
7
8
9
10
CP80S54/56
CP8054SE
CP8056SE
CP8054S
CP8056S
Rev0.1 Nov 30, 2005
P.3/CP80S54/S56
20
19
18
17
16
15
14
13
12
11
IOA1
IOA0
IOA7/OSCI
IOA6/OSCO
Vdd
Vdd
IOB7
IOB6
IOB5
IOB4