tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 53

• Manufacturer Part Number: tmp88cs38ng
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

P7
(00007H)
P7CR
(00009H)
2.2.6
Note: *: Don’t care, i = 1 to 0
Port P7 (P71 to P70)
input and a horizontal synchronous signal (
circuitry.
secondary function pin, the output latch should be set to “1”.
data.
7
7
P7CR
Port P7 is a 2bit input/output port, and is also used as a vertical synchronous signal (
The output latches, are initialized to “1” during reset. When used as an input port or a
When a read instruction for port P7 is executed, bits 7 to 2 in P7 are read in as undefined
6
6
I/O control for P7
Data output
Data input
HD
STOP
OUTEN
P7iCR
5
5
,
VD
Output latch
D
4
4
Q
Figure 2.2.7 Ports P7
88CS38-53
3
3
0: Input mode
1: Output mode
2
2
HD
P71CR
P71
VD
1
1
) input for the on screen display (OSD)
P70CR
P70
HD
0
0
P7i
TMP88CS38/CM38A/CP38A
(Initial value: **** **11)
(Initial value: **** **00)
2007-09-12
Write
only
VD
)