参数资料
型号: 7534
厂商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 15/55页
文件大小: 610K
代理商: 7534
7534 Group
Rev.2.00 Jun 21, 2004 page 15 of 54
REJ03B0099-0200Z
Fig. 15 Block diagram of ports (2)
(9) Ports P3
6
, P3
7
Data bus
Port latch
Pull-up control
INT interrupt input
*
(7) Ports P2
0
–P2
7
Analog input pin selection bit
A/D converter input
Data bus
Port latch
(8) Ports P3
0
–P3
5
Data bus
Port latch
Pull-up control
(6) Ports P1
4
CNTR
0
interrupt input
Direction register
Data bus
Port latch
Pulse output mode
Timer output
P3
7
/INT
0
input
level selection bit
(10) Ports P1
5,
P1
6,
P4
0,
P4
1
Data bus
Port latch
Direction register
Direction register
Direction register
Direction register
: P1
0
, P1
2
, P1
3
, P3
6
, P3
7
input levels are switched to the CMOS/TTL level by the port P1P3 control register.
When the TTL level is selected, there is no hysteresis characteristics.
*
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