ZLP128ICE01ZEM Zilog, ZLP128ICE01ZEM Datasheet - Page 30

• Manufacturer Part Number: ZLP128ICE01ZEM
• Description: EMULATOR CRIMZON Z8 ZLP12840
• Manufacturer: Zilog

Specifications of ZLP128ICE01ZEM

• Interface Type: RS-232, Ethernet, USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3829

Table 14. Port 3 Mode Register (P3M)
PS024410-0108
Bit
Field
Reset
R/W
Address
Bit
Position R/W
[7:3]
[2]
[1]
[0]
Port 3 Mode Register
Note:
—
W
W
W
—
X
7
The Port 3 Mode Register is used primarily to configure the functionality of the Port 3
inputs. When bit 2 is set, the IR Learning Amplifier is used instead of the COMP1
comparator, regardless of the value of bit 1
This register is not reset after a SMR.
Value Description
—
—
0
1
0
1
0
1
X
6
Reserved
Reserved—Writes have no effect. Reads return 11111b.
IR Learning Amplifier disabled.
IR Learning Amplifier enabled with P31 configured as amplifier input.
DIGITAL/ANALOG Mode
P30, P31, P32, P33 are digital inputs.
P30, P32, and P33 are comparator inputs. If P3M[2]=0, P31 is also a
comparator input. If P3M[2]=1, P31 is the IR amplifier input.
Port 2 open-drain.
Port 2 push/pull.
—
X
5
—
X
4
P R E L I M I N A R Y
Bank Independent: F7h; Linear 0F7h
—
X
3
IR Learning
Amplifier
W
2
0
(Table
14).
DIGITAL/ANALOG
Mode
W
1
0
Product Specification
I/O Port Pin Functions
Port 2 Open-
Drain
W
0
0
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