z86e54 ZiLOG Semiconductor, z86e54 Datasheet - Page 47

• Manufacturer Part Number: z86e54
• Description: Z8 512 Byte Otp Mcu
• Manufacturer: ZiLOG Semiconductor

PS020102-1003
Control Registers
Bit
Position
7-6
5-4
3
2
1
0
Bit
Position
7-0
Table 19. Counter/Timer 1 Register, R242 T1 F2h Bank 0h: READ/WRITE
Table 18. Timer Mode Register, R241 TMR F1h Bank 0h: READ/WRITE
Bit
Note: R = Read, W = Write
Bit
R/W
Reset
Note: R = Read, W = Write, X = Indeterminate
Reset
R/W
Bit Field
Reserved
T1 Count
T1
Reserved
Reserved
Reserved
Bit Field
R/W
R/W
T1
X
7
0
7
R/W
R/W
X
6
0
6
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
R
R/W
R/W
X
5
0
5
Reset
Value
Reset
Value
00
0
0
0
0
0
X
X
R/W
R/W
X
4
0
4
Description
Reserved-must be 0
T
00: External Clock Input
01: Gate Input
10: Trigger Input (non retriggerable)
11: Trigger Input (retriggerable)
TI Count
0: Disable
1: Enable
TI
0: No Function
1: Load T1
Reserved - must be 0
Reserved - must be 0
Description
T1 Current Value
T1 Initial Value
Range = 1-256 decimal; 01 h-00h
IN
R/W
R/W
Mode
X
3
0
3
R/W
R/W
X
2
0
2
R/W
R/W
X
1
0
1
Z8
®
R/W
R/W
512 Byte OTP MCU
X
0
0
0
Z86E54
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