TSC87C51 TEMIC Semiconductors, TSC87C51 Datasheet - Page 18

• Manufacturer Part Number: TSC87C51
• Description: CMOS 0 to 25 MHz Programmable 8-bit Microcontroller
• Manufacturer: TEMIC Semiconductors

18
TSC87C51
External Data Memory Read Cycle
Serial Port Timing – Shift Register Mode
Shift Register Timing Waveforms
Symbol
TQVHX
TXHQX
TXHDX
TXHDV
PORT 0
PORT 2
TXLXL
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
ALE
PSEN
CLEAR RI
RD
OR SFR–P2
ADDRESS
Serial port clock cycle time
Output data set–up to clock
rising edge
Output data hold after clock
rising edge
Input data hold after clock
rising edge
Clock rising edge to input
data valid
TQVXH
Parameter
0
TXHDV
1
0
VALID
TXLXL
A0–A7
TLLAX
TAVWL
TXHQX
2
TLLWL
1
VALID
10TCLCL–133
2TCLCL–117
TAVDV
12TCLCL
TLLDV
Min
TXHDX
0
3
ADDRESS A8–A15 OR SFR P2
2
VALID
0 to 12MHz
TRLAZ
4
3
VALID
10TCLCL–133
TRLRH
Max
5
4
VALID
DATA IN
6
5
VALID
TWHLH
TRHDX
Min Max
480
380
65
25 MHz
0
Rev. E
7
350
6
VALID
TRHDZ
–
SET TI
SET RI
July 03, 2000
8
7
Units
VALID
ns
ns
ns
ns
ns